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28071462543834 = 2331752361745737
BaseRepresentation
bin1100110000111111001011…
…00011011010000111011010
310200101121100111020021100210
412120133211203122013122
512134410323402400314
6135411504000311550
75625045003444033
oct630374543320732
9120347314207323
1028071462543834
118a4304986a156
1231945300125b6
13128818732ba98
146d0947865a8a
1533a30aa08559
hex1987e58da1da

28071462543834 has 64 divisors (see below), whose sum is σ = 56520409309056. Its totient is φ = 9294509435904.

The previous prime is 28071462543739. The next prime is 28071462543937. The reversal of 28071462543834 is 43834526417082.

It is a happy 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, 613735414 + ... + 613781150.

It is an arithmetic number, because the mean of its divisors is an integer number (883131395454).

Almost surely, 228071462543834 is an apocalyptic number.

28071462543834 is an abundant number, since it is smaller than the sum of its proper divisors (28448946765222).

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

28071462543834 is a wasteful number, since it uses less digits than its factorization.

28071462543834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47199.

The product of its (nonzero) digits is 30965760, while the sum is 57.

The spelling of 28071462543834 in words is "twenty-eight trillion, seventy-one billion, four hundred sixty-two million, five hundred forty-three thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 317 523 617 634 951 1046 1234 1569 1851 1902 3138 3702 45737 91474 137211 165791 195589 274422 322691 331582 391178 497373 586767 645382 968073 994746 1173534 1936146 14498629 23920451 28219729 28997258 43495887 47840902 56439458 71761353 84659187 86991774 102293047 143522706 169318374 204586094 306879141 613758282 7582782967 8945654093 14758918267 15165565934 17891308186 22748348901 26836962279 29517836534 44276754801 45496697802 53673924558 88553509602 4678577090639 9357154181278 14035731271917 28071462543834