Search a number
-
+
90874329411892 = 22135929620055219
BaseRepresentation
bin10100101010011001010100…
…000111111011000100110100
3102220202111112021010100221011
4110222121110013323010310
543402341111312140032
6521135031323202004
725066311412041505
oct2452312407730464
9386674467110834
1090874329411892
1126a5664a956184
12a238079076304
133b9254932b320
1418624aba42bac
15a78cb33c3247
hex52a6541fb134

90874329411892 has 24 divisors (see below), whose sum is σ = 174165924693600. Its totient is φ = 41231116863456.

The previous prime is 90874329411493. The next prime is 90874329412297. The reversal of 90874329411892 is 29811492347809.

It is a super-2 number, since 2×908743294118922 (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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14810024542 + ... + 14810030677.

It is an arithmetic number, because the mean of its divisors is an integer number (7256913528900).

Almost surely, 290874329411892 is an apocalyptic number.

It is an amenable number.

90874329411892 is a deficient number, since it is larger than the sum of its proper divisors (83291595281708).

90874329411892 is a wasteful number, since it uses less digits than its factorization.

90874329411892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29620055295 (or 29620055293 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 67.

The spelling of 90874329411892 in words is "ninety trillion, eight hundred seventy-four billion, three hundred twenty-nine million, four hundred eleven thousand, eight hundred ninety-two".

Divisors: 1 2 4 13 26 52 59 118 236 767 1534 3068 29620055219 59240110438 118480220876 385060717847 770121435694 1540242871388 1747583257921 3495166515842 6990333031684 22718582352973 45437164705946 90874329411892