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127312864 = 2571767499
BaseRepresentation
bin1111001011010…
…10001111100000
322212120011102021
413211222033200
5230043002424
620344431224
73104066350
oct745521740
9285504367
10127312864
1165957048
1236778514
13204b7673
1412ca0b60
15b29c4e4
hex796a3e0

127312864 has 96 divisors (see below), whose sum is σ = 308448000. Its totient is φ = 50485248.

The previous prime is 127312859. The next prime is 127312883. The reversal of 127312864 is 468213721.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 254887 + ... + 255385.

It is an arithmetic number, because the mean of its divisors is an integer number (3213000).

Almost surely, 2127312864 is an apocalyptic number.

127312864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127312864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154224000).

127312864 is an abundant number, since it is smaller than the sum of its proper divisors (181135136).

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

127312864 is a wasteful number, since it uses less digits than its factorization.

127312864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 592 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 127312864 is about 11283.3002264408. The cubic root of 127312864 is about 503.0649919249.

The spelling of 127312864 in words is "one hundred twenty-seven million, three hundred twelve thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 67 68 112 119 134 136 224 238 268 272 469 476 499 536 544 938 952 998 1072 1139 1876 1904 1996 2144 2278 3493 3752 3808 3992 4556 6986 7504 7973 7984 8483 9112 13972 15008 15946 15968 16966 18224 27944 31892 33433 33932 36448 55888 59381 63784 66866 67864 111776 118762 127568 133732 135728 234031 237524 255136 267464 271456 468062 475048 534928 568361 936124 950096 1069856 1136722 1872248 1900192 2273444 3744496 3978527 4546888 7488992 7957054 9093776 15914108 18187552 31828216 63656432 127312864