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67925597016 = 23326320275309
BaseRepresentation
bin111111010000101011…
…100101101101011000
320111022211222211221110
4333100223211231120
52103102423101031
651112105140320
74623155022354
oct772053455530
9214284884843
1067925597016
1126897257442
12111b818a6a0
13653674c674
143405310464
151b78452c46
hexfd0ae5b58

67925597016 has 64 divisors (see below), whose sum is σ = 170575891200. Its totient is φ = 22540400768.

The previous prime is 67925596993. The next prime is 67925597023. The reversal of 67925597016 is 61079552976.

It is a super-2 number, since 2×679255970162 (a number of 22 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, 12791770 + ... + 12797078.

It is an arithmetic number, because the mean of its divisors is an integer number (2665248300).

Almost surely, 267925597016 is an apocalyptic number.

It is an amenable number.

67925597016 is an abundant number, since it is smaller than the sum of its proper divisors (102650294184).

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

67925597016 is a wasteful number, since it uses less digits than its factorization.

67925597016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7608 (or 7604 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 57.

The spelling of 67925597016 in words is "sixty-seven billion, nine hundred twenty-five million, five hundred ninety-seven thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 24 263 526 789 1052 1578 2027 2104 3156 4054 5309 6081 6312 8108 10618 12162 15927 16216 21236 24324 31854 42472 48648 63708 127416 533101 1066202 1396267 1599303 2132404 2792534 3198606 4188801 4264808 5585068 6397212 8377602 10761343 11170136 12794424 16755204 21522686 32284029 33510408 43045372 64568058 86090744 129136116 258272232 2830233209 5660466418 8490699627 11320932836 16981399254 22641865672 33962798508 67925597016