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78926036632 = 23194373831993
BaseRepresentation
bin100100110000001011…
…0111011111010011000
321112201111021002012221
41021200112323322120
52243120031133012
6100131430513424
75462601146032
oct1114026737230
9245644232187
1078926036632
1130521765553
1213368205874
13759a79c131
143b6a296c52
1520be07c507
hex12605bbe98

78926036632 has 128 divisors (see below), whose sum is σ = 163610092800. Its totient is φ = 35564562432.

The previous prime is 78926036621. The next prime is 78926036701. The reversal of 78926036632 is 23663062987.

It is a self number, because there is not a number n which added to its sum of digits gives 78926036632.

It is a congruent number.

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, 39600628 + ... + 39602620.

It is an arithmetic number, because the mean of its divisors is an integer number (1278203850).

Almost surely, 278926036632 is an apocalyptic number.

It is an amenable number.

78926036632 is an abundant number, since it is smaller than the sum of its proper divisors (84684056168).

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

78926036632 is a wasteful number, since it uses less digits than its factorization.

78926036632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 78926036632 in words is "seventy-eight billion, nine hundred twenty-six million, thirty-six thousand, six hundred thirty-two".

Divisors: 1 2 4 8 19 38 43 73 76 83 86 146 152 166 172 292 332 344 584 664 817 1387 1577 1634 1993 2774 3139 3154 3268 3569 3986 5548 6059 6278 6308 6536 7138 7972 11096 12118 12556 12616 14276 15944 24236 25112 28552 37867 48472 59641 67811 75734 85699 115121 119282 135622 145489 151468 165419 171398 230242 238564 260537 271244 290978 302936 330838 342796 460484 477128 521074 542488 581956 661676 685592 920968 1042148 1163912 1323352 1628281 2084296 2764291 3142961 3256562 4950203 5528582 6256027 6285922 6513124 7113017 9900406 11057164 12075587 12512054 12571844 13026248 14226034 19800812 22114328 24151174 25024108 25143688 28452068 39601624 48302348 50048216 56904136 96604696 118864513 135147323 229436153 237729026 270294646 458872306 475458052 519250241 540589292 917744612 950916104 1038500482 1081178584 1835489224 2077000964 4154001928 9865754579 19731509158 39463018316 78926036632