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80242474284 = 22337215162977
BaseRepresentation
bin100101010111011010…
…0101111110100101100
321200010020101001012000
41022232310233310230
52303314033134114
6100510214412300
75540324530500
oct1125664576454
9250106331160
1080242474284
113103786a655
1213675061090
13774a440c1b
143c53056300
152149917e09
hex12aed2fd2c

80242474284 has 72 divisors (see below), whose sum is σ = 242001128880. Its totient is φ = 22926419712.

The previous prime is 80242474237. The next prime is 80242474327. The reversal of 80242474284 is 48247424208.

80242474284 is a `hidden beast` number, since 80 + 2 + 424 + 74 + 2 + 84 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7576197 + ... + 7586780.

It is an arithmetic number, because the mean of its divisors is an integer number (3361126790).

Almost surely, 280242474284 is an apocalyptic number.

80242474284 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

80242474284 is an abundant number, since it is smaller than the sum of its proper divisors (161758654596).

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

80242474284 is a wasteful number, since it uses less digits than its factorization.

80242474284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15163004 (or 15162989 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 45.

The spelling of 80242474284 in words is "eighty billion, two hundred forty-two million, four hundred seventy-four thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 252 294 378 441 588 756 882 1323 1764 2646 5292 15162977 30325954 45488931 60651908 90977862 106140839 136466793 181955724 212281678 272933586 318422517 409400379 424563356 545867172 636845034 742985873 818800758 955267551 1273690068 1485971746 1637601516 1910535102 2228957619 2865802653 2971943492 3821070204 4457915238 5731605306 6686872857 8915830476 11463210612 13373745714 20060618571 26747491428 40121237142 80242474284