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142866612528 = 243171111715749
BaseRepresentation
bin1000010100001110000…
…0111000000100110000
3111122202121201212212120
42011003200320010300
54320042323100103
6145344303154240
713215240112143
oct2050340700460
9448677655776
10142866612528
1155653529602
12238318a5980
131061a742c23
146cb423205a
153ab2718253
hex2143838130

142866612528 has 80 divisors (see below), whose sum is σ = 390842172000. Its totient is φ = 44814020608.

The previous prime is 142866612479. The next prime is 142866612533. The reversal of 142866612528 is 825216668241.

It is a happy number.

It is a Cunningham number, because it is equal to 3779772-1.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 9063598 + ... + 9079346.

It is an arithmetic number, because the mean of its divisors is an integer number (4885527150).

Almost surely, 2142866612528 is an apocalyptic number.

It is an amenable number.

142866612528 is an abundant number, since it is smaller than the sum of its proper divisors (247975559472).

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

142866612528 is a wasteful number, since it uses less digits than its factorization.

142866612528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26894 (or 26888 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The spelling of 142866612528 in words is "one hundred forty-two billion, eight hundred sixty-six million, six hundred twelve thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 11117 15749 22234 31498 33351 44468 47247 62996 66702 88936 94494 125992 133404 177872 188988 188989 251984 266808 267733 377976 377978 533616 535466 566967 755952 755956 803199 1070932 1133934 1511912 1606398 2141864 2267868 3023824 3212796 4283728 4535736 6425592 9071472 12851184 175081633 350163266 525244899 700326532 1050489798 1400653064 2100979596 2801306128 2976387761 4201959192 5952775522 8403918384 8929163283 11905551044 17858326566 23811102088 35716653132 47622204176 71433306264 142866612528