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155198136632 = 23711892830843
BaseRepresentation
bin1001000010001010000…
…1111010000100111000
3112211121000200012210112
42100202201322010320
510020321210333012
6155144054403452
714132645252360
oct2204241720470
9484530605715
10155198136632
115a901336140
12260b3660588
1311834492156
147723cab9a0
154085123122
hex242287a138

155198136632 has 64 divisors (see below), whose sum is σ = 366877382400. Its totient is φ = 59787383040.

The previous prime is 155198136629. The next prime is 155198136647. The reversal of 155198136632 is 236631891551.

It is a super-2 number, since 2×1551981366322 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360598 + ... + 1470245.

It is an arithmetic number, because the mean of its divisors is an integer number (5732459100).

Almost surely, 2155198136632 is an apocalyptic number.

It is an amenable number.

155198136632 is an abundant number, since it is smaller than the sum of its proper divisors (211679245768).

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

155198136632 is a wasteful number, since it uses less digits than its factorization.

155198136632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830956 (or 2830952 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 50.

The spelling of 155198136632 in words is "one hundred fifty-five billion, one hundred ninety-eight million, one hundred thirty-six thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 89 154 178 308 356 616 623 712 979 1246 1958 2492 3916 4984 6853 7832 13706 27412 54824 2830843 5661686 11323372 19815901 22646744 31139273 39631802 62278546 79263604 124557092 158527208 217974911 249114184 251945027 435949822 503890054 871899644 1007780108 1743799288 1763615189 2015560216 2771395297 3527230378 5542790594 7054460756 11085581188 14108921512 19399767079 22171162376 38799534158 77599068316 155198136632