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163145514042 = 23371783724197
BaseRepresentation
bin1001011111110000111…
…0101111110000111010
3120121002220001211002000
42113330032233300322
510133110222422132
6202540434321430
714533616663040
oct2277416576072
9517086054060
10163145514042
116320a431445
1227751129276
13124ccb3c234
147c79598390
15439cbc687c
hex25fc3afc3a

163145514042 has 64 divisors (see below), whose sum is σ = 414378167040. Its totient is φ = 46608464448.

The previous prime is 163145514041. The next prime is 163145514053. The reversal of 163145514042 is 240415541361.

163145514042 is a `hidden beast` number, since 1 + 63 + 1 + 4 + 551 + 4 + 0 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 163145513988 and 163145514006.

It is not an unprimeable number, because it can be changed into a prime (163145514041) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6730288 + ... + 6754484.

It is an arithmetic number, because the mean of its divisors is an integer number (6474658860).

Almost surely, 2163145514042 is an apocalyptic number.

163145514042 is an abundant number, since it is smaller than the sum of its proper divisors (251232652998).

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

163145514042 is a wasteful number, since it uses less digits than its factorization.

163145514042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42052 (or 42046 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 163145514042 in words is "one hundred sixty-three billion, one hundred forty-five million, five hundred fourteen thousand, forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 17837 24197 35674 48394 53511 72591 107022 124859 145182 160533 169379 217773 249718 321066 338758 374577 435546 481599 508137 653319 749154 963198 1016274 1123731 1306638 1524411 2247462 3048822 3371193 4573233 6742386 9146466 431601889 863203778 1294805667 2589611334 3021213223 3884417001 6042426446 7768834002 9063639669 11653251003 18127279338 23306502006 27190919007 54381838014 81572757021 163145514042