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31018000469044 = 22192971137371789
BaseRepresentation
bin1110000110101111100001…
…11001100100110000110100
311001211021212210011202101211
413003113300321210300310
513031144331110002134
6145545250034131204
76350655652532641
oct703276071446064
9131737783152354
1031018000469044
119979729699846
12358b5b5720b04
13143cca5a709b4
147933ca302dc8
1538bcb198c764
hex1c35f0e64c34

31018000469044 has 24 divisors (see below), whose sum is σ = 57157654383200. Its totient is φ = 14687791572960.

The previous prime is 31018000468993. The next prime is 31018000469051. The reversal of 31018000469044 is 44096400081013.

It is a super-2 number, since 2×310180004690442 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31018000468988 and 31018000469006.

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, 68460099 + ... + 68911690.

Almost surely, 231018000469044 is an apocalyptic number.

It is an amenable number.

31018000469044 is a deficient number, since it is larger than the sum of its proper divisors (26139653914156).

31018000469044 is a wasteful number, since it uses less digits than its factorization.

31018000469044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137374783 (or 137374781 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 31018000469044 in words is "thirty-one trillion, eighteen billion, four hundred sixty-nine thousand, forty-four".

Divisors: 1 2 4 19 38 76 2971 5942 11884 56449 112898 225796 137371789 274743578 549487156 2610063991 5220127982 10440255964 408131585119 816263170238 1632526340476 7754500117261 15509000234522 31018000469044