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76668266238552 = 23326576116192531
BaseRepresentation
bin10001011011101010111000…
…110001100101001001011000
3101001110102012021222121110200
4101123222320301211021120
540022113102124113202
6431020525411142200
722102046052323622
oct2133527061451130
9331412167877420
1076668266238552
112247991361053a
1287229a72a4960
1333a1a2bba0ca1
1414d0a9a15bc12
158ce4b6ad9e1c
hex45bab8c65258

76668266238552 has 48 divisors (see below), whose sum is σ = 207646391429880. Its totient is φ = 25555698547200.

The previous prime is 76668266238547. The next prime is 76668266238581. The reversal of 76668266238552 is 25583266286667.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3361474 + ... + 12831057.

Almost surely, 276668266238552 is an apocalyptic number.

76668266238552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

76668266238552 is an abundant number, since it is smaller than the sum of its proper divisors (130978125191328).

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

76668266238552 is a wasteful number, since it uses less digits than its factorization.

76668266238552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16258304 (or 16258297 counting only the distinct ones).

The product of its digits is 2090188800, while the sum is 72.

The spelling of 76668266238552 in words is "seventy-six trillion, six hundred sixty-eight billion, two hundred sixty-six million, two hundred thirty-eight thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 65761 131522 197283 263044 394566 526088 591849 789132 1183698 1578264 2367396 4734792 16192531 32385062 48577593 64770124 97155186 129540248 145732779 194310372 291465558 388620744 582931116 1165862232 1064837031091 2129674062182 3194511093273 4259348124364 6389022186546 8518696248728 9583533279819 12778044373092 19167066559638 25556088746184 38334133119276 76668266238552