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768893506920 = 2332571127737861
BaseRepresentation
bin10110011000001011001…
…11111101010101101000
32201111122111210011110100
423030011213331111220
5100044143214210140
61345120320145400
7106356616654560
oct13140547752550
92644574704410
10768893506920
112770a4381080
12105024a68260
135767759c356
1429300dabda0
151500249d530
hexb3059fd568

768893506920 has 192 divisors, whose sum is σ = 3115516659840. Its totient is φ = 159770073600.

The previous prime is 768893506907. The next prime is 768893506937. The reversal of 768893506920 is 29605398867.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13841211 + ... + 13896650.

It is an arithmetic number, because the mean of its divisors is an integer number (16226649270).

Almost surely, 2768893506920 is an apocalyptic number.

768893506920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

768893506920 is an abundant number, since it is smaller than the sum of its proper divisors (2346623152920).

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

768893506920 is a wasteful number, since it uses less digits than its factorization.

768893506920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27737896 (or 27737889 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 768893506920 in words is "seven hundred sixty-eight billion, eight hundred ninety-three million, five hundred six thousand, nine hundred twenty".