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1197139284480 = 29351131379447
BaseRepresentation
bin10001011010111011000…
…011111101001000000000
311020110000200202201000210
4101122323003331020000
5124103220124100410
62313542545314120
7152330141010366
oct21327303751000
94213020681023
101197139284480
11421781a0a197
1217401b635940
1388b74a1cc29
1441d2861b636
15212189ab220
hex116bb0fd200

1197139284480 has 160 divisors (see below), whose sum is σ = 3860975631744. Its totient is φ = 316411805696.

The previous prime is 1197139284437. The next prime is 1197139284547. The reversal of 1197139284480 is 844829317911.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 1197139284480.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178117 + ... + 1557563.

Almost surely, 21197139284480 is an apocalyptic number.

1197139284480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1197139284480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930487815872).

1197139284480 is an abundant number, since it is smaller than the sum of its proper divisors (2663836347264).

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

1197139284480 is a wasteful number, since it uses less digits than its factorization.

1197139284480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379586 (or 1379570 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 1197139284480 in words is "one trillion, one hundred ninety-seven billion, one hundred thirty-nine million, two hundred eighty-four thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 113 120 128 160 192 226 240 256 320 339 384 452 480 512 565 640 678 768 904 960 1130 1280 1356 1536 1695 1808 1920 2260 2560 2712 3390 3616 3840 4520 5424 6780 7232 7680 9040 10848 13560 14464 18080 21696 27120 28928 36160 43392 54240 57856 72320 86784 108480 144640 173568 216960 289280 433920 867840 1379447 2758894 4138341 5517788 6897235 8276682 11035576 13794470 16553364 20691705 22071152 27588940 33106728 41383410 44142304 55177880 66213456 82766820 88284608 110355760 132426912 155877511 165533640 176569216 220711520 264853824 311755022 331067280 353138432 441423040 467632533 529707648 623510044 662134560 706276864 779387555 882846080 935265066 1059415296 1247020088 1324269120 1558775110 1765692160 1870530132 2118830592 2338162665 2494040176 2648538240 3117550220 3531384320 3741060264 4676325330 4988080352 5297076480 6235100440 7482120528 9352650660 9976160704 10594152960 12470200880 14964241056 18705301320 19952321408 24940401760 29928482112 37410602640 39904642816 49880803520 59856964224 74821205280 79809285632 99761607040 119713928448 149642410560 199523214080 239427856896 299284821120 399046428160 598569642240 1197139284480