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168612928568 = 2373197127263
BaseRepresentation
bin1001110100001000011…
…1010001110000111000
3121010012220222020211022
42131002013101300320
510230304402203233
6205243144122012
715116246150060
oct2350207216070
9533186866738
10168612928568
1165565669947
1228818166308
1312b91784166
14823776c3a0
1545bcbab398
hex27421d1c38

168612928568 has 32 divisors (see below), whose sum is σ = 372968693760. Its totient is φ = 69931628640.

The previous prime is 168612928531. The next prime is 168612928613. The reversal of 168612928568 is 865829216861.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 168612928568.

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, 48561896 + ... + 48565367.

It is an arithmetic number, because the mean of its divisors is an integer number (11655271680).

Almost surely, 2168612928568 is an apocalyptic number.

It is an amenable number.

168612928568 is an abundant number, since it is smaller than the sum of its proper divisors (204355765192).

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

168612928568 is a wasteful number, since it uses less digits than its factorization.

168612928568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97127307 (or 97127303 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 62.

The spelling of 168612928568 in words is "one hundred sixty-eight billion, six hundred twelve million, nine hundred twenty-eight thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 97127263 194254526 388509052 679890841 777018104 1359781682 2719563364 3010945153 5439126728 6021890306 12043780612 21076616071 24087561224 42153232142 84306464284 168612928568