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197489079130288 = 24112959964967967
BaseRepresentation
bin101100111001110110000010…
…011010001001100010110000
3221220020202211111000211110211
4230321312002122021202300
5201341130113224132123
61540005121441033504
756412054325135561
oct5471660232114260
9856222744024424
10197489079130288
1157a20714704010
121a196859025894
1386271a919997a
1436aa74579c168
1517c722682040d
hexb39d826898b0

197489079130288 has 160 divisors (see below), whose sum is σ = 439184747520000. Its totient is φ = 85193216962560.

The previous prime is 197489079130267. The next prime is 197489079130307. The reversal of 197489079130288 is 882031970984791.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2905627281 + ... + 2905695247.

It is an arithmetic number, because the mean of its divisors is an integer number (2744904672000).

Almost surely, 2197489079130288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197489079130288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219592373760000).

197489079130288 is an abundant number, since it is smaller than the sum of its proper divisors (241695668389712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197489079130288 is a wasteful number, since it uses less digits than its factorization.

197489079130288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77723 (or 77717 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 76.

The spelling of 197489079130288 in words is "one hundred ninety-seven trillion, four hundred eighty-nine billion, seventy-nine million, one hundred thirty thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 29 44 58 59 88 116 118 176 232 236 319 464 472 638 649 944 1276 1298 1711 2552 2596 3422 5104 5192 6844 9649 10384 13688 18821 19298 27376 37642 38596 67967 75284 77192 106139 135934 150568 154384 212278 271868 279821 301136 424556 543736 559642 569291 747637 849112 1087472 1119284 1138582 1495274 1698224 1971043 2238568 2277164 2990548 3078031 3942086 4010053 4477136 4554328 5981096 6156062 6262201 7884172 8020106 9108656 11962192 12312124 12524402 15768344 16040212 16509439 21681473 24624248 25048804 31536688 32080424 33018878 43362946 44110583 49248496 50097608 64160848 66037756 86725892 88221166 100195216 116291537 132075512 173451784 176442332 181603829 232583074 264151024 346903568 352884664 363207658 465166148 655813583 705769328 726415316 930332296 1279206907 1311627166 1452830632 1860664592 2558413814 2623254332 2905661264 5116827628 5246508664 7213949413 10233655256 10493017328 14427898826 19018593907 20467310512 28855797652 38037187814 38693001397 57711595304 76074375628 77386002794 115423190608 152148751256 154772005588 209204532977 304297502512 309544011176 418409065954 425623015367 619088022352 836818131908 851246030734 1122097040513 1673636263816 1702492061468 2244194081026 3347272527632 3404984122936 4488388162052 6809968245872 8976776324104 12343067445643 17953552648208 24686134891286 49372269782572 98744539565144 197489079130288