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90874329411894 = 23710720221257101
BaseRepresentation
bin10100101010011001010100…
…000111111011000100110110
3102220202111112021010100221020
4110222121110013323010312
543402341111312140034
6521135031323202010
725066311412041510
oct2452312407730466
9386674467110836
1090874329411894
1126a5664a956186
12a238079076306
133b9254932b322
1418624aba42bb0
15a78cb33c3249
hex52a6541fb136

90874329411894 has 32 divisors (see below), whose sum is σ = 209653993633536. Its totient is φ = 25721439031200.

The previous prime is 90874329411493. The next prime is 90874329412297. The reversal of 90874329411894 is 49811492347809.

90874329411894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×908743294118942 (a number of 29 digits) contains 22 as substring.

It is a lonely number, since its distance to closest prime (90874329411493) sets a new record.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10110624057 + ... + 10110633044.

It is an arithmetic number, because the mean of its divisors is an integer number (6551687301048).

Almost surely, 290874329411894 is an apocalyptic number.

90874329411894 is an abundant number, since it is smaller than the sum of its proper divisors (118779664221642).

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

90874329411894 is a wasteful number, since it uses less digits than its factorization.

90874329411894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20221257220.

The product of its (nonzero) digits is 125411328, while the sum is 69.

The spelling of 90874329411894 in words is "ninety trillion, eight hundred seventy-four billion, three hundred twenty-nine million, four hundred eleven thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 107 214 321 642 749 1498 2247 4494 20221257101 40442514202 60663771303 121327542606 141548799707 283097599414 424646399121 849292798242 2163674509807 4327349019614 6491023529421 12982047058842 15145721568649 30291443137298 45437164705947 90874329411894