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64388132700 = 22352214627109
BaseRepresentation
bin111011111101110101…
…001110111101011100
320011012022122001011120
4323331311032331130
52023331330221300
645325101050540
74436412045333
oct737565167534
9204168561146
1064388132700
1125341471111
121058b556a50
1360c18c6708
14318b59cd1a
151a1cae53a0
hexefdd4ef5c

64388132700 has 36 divisors (see below), whose sum is σ = 186296331480. Its totient is φ = 17170168640.

The previous prime is 64388132693. The next prime is 64388132741. The reversal of 64388132700 is 723188346.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 107313255 + ... + 107313854.

Almost surely, 264388132700 is an apocalyptic number.

64388132700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64388132700 is an abundant number, since it is smaller than the sum of its proper divisors (121908198780).

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

64388132700 is a wasteful number, since it uses less digits than its factorization.

64388132700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214627126 (or 214627119 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 64388132700 in words is "sixty-four billion, three hundred eighty-eight million, one hundred thirty-two thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 214627109 429254218 643881327 858508436 1073135545 1287762654 2146271090 2575525308 3219406635 4292542180 5365677725 6438813270 10731355450 12877626540 16097033175 21462710900 32194066350 64388132700