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768146535140 = 22538407326757
BaseRepresentation
bin10110010110110010001…
…10011111001011100100
32201102201110020001210212
423023121012133023210
5100041131003111030
61344514234034552
7106332246550355
oct13133106371344
92642643201725
10768146535140
1127685076a126
12104a56878a58
13575888c500a
142926dac7d2c
1514eabaed595
hexb2d919f2e4

768146535140 has 12 divisors (see below), whose sum is σ = 1613107723836. Its totient is φ = 307258614048.

The previous prime is 768146535127. The next prime is 768146535187. The reversal of 768146535140 is 41535641867.

It can be written as a sum of positive squares in 2 ways, for example, as 392517286144 + 375629248996 = 626512^2 + 612886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19203663359 + ... + 19203663398.

It is an arithmetic number, because the mean of its divisors is an integer number (134425643653).

Almost surely, 2768146535140 is an apocalyptic number.

It is an amenable number.

768146535140 is an abundant number, since it is smaller than the sum of its proper divisors (844961188696).

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

768146535140 is a wasteful number, since it uses less digits than its factorization.

768146535140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38407326766 (or 38407326764 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 768146535140 in words is "seven hundred sixty-eight billion, one hundred forty-six million, five hundred thirty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 38407326757 76814653514 153629307028 192036633785 384073267570 768146535140