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90874329411889 = 1925163919006829
BaseRepresentation
bin10100101010011001010100…
…000111111011000100110001
3102220202111112021010100221001
4110222121110013323010301
543402341111312140024
6521135031323202001
725066311412041502
oct2452312407730461
9386674467110831
1090874329411889
1126a5664a956181
12a238079076301
133b9254932b31a
1418624aba42ba9
15a78cb33c3244
hex52a6541fb131

90874329411889 has 8 divisors (see below), whose sum is σ = 95657574024000. Its totient is φ = 86091123316752.

The previous prime is 90874329411493. The next prime is 90874329412297. The reversal of 90874329411889 is 98811492347809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90874329411889 - 239 = 90324573598001 is a prime.

It is a super-2 number, since 2×908743294118892 (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 Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90874329415889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4722274 + ... + 14284555.

It is an arithmetic number, because the mean of its divisors is an integer number (11957196753000).

Almost surely, 290874329411889 is an apocalyptic number.

It is an amenable number.

90874329411889 is a deficient number, since it is larger than the sum of its proper divisors (4783244612111).

90874329411889 is a wasteful number, since it uses less digits than its factorization.

90874329411889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19258487.

The product of its (nonzero) digits is 250822656, while the sum is 73.

The spelling of 90874329411889 in words is "ninety trillion, eight hundred seventy-four billion, three hundred twenty-nine million, four hundred eleven thousand, eight hundred eighty-nine".

Divisors: 1 19 251639 4781141 19006829 361129751 4782859442731 90874329411889