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768690562500 = 223256721672
BaseRepresentation
bin10110010111110011000…
…01110010010111000100
32201111010100220112001100
423023321201302113010
5100043234241000000
61345044230300100
7106351603655100
oct13137141622704
92644110815040
10768690562500
11276aaa867a13
12104b88ab7630
1357644523ab3
14292c2060900
1514ede761a00
hexb2f98725c4

768690562500 has 567 divisors, whose sum is σ = 2842378831929. Its totient is φ = 174648600000.

The previous prime is 768690562481. The next prime is 768690562553. The reversal of 768690562500 is 5265096867.

It is a happy number.

The square root of 768690562500 is 876750.

It is a perfect power (a square), and thus also a powerful number.

768690562500 is a `hidden beast` number, since 7 + 6 + 8 + 6 + 9 + 0 + 5 + 625 + 0 + 0 = 666.

768690562500 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 673446727044 + 95243835456 = 820638^2 + 308616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 4602937417 + ... + 4602937583.

Almost surely, 2768690562500 is an apocalyptic number.

768690562500 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

768690562500 is the 876750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 768690562500

768690562500 is an abundant number, since it is smaller than the sum of its proper divisors (2073688269429).

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

768690562500 is an equidigital number, since it uses as much as digits as its factorization.

768690562500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 768690562500 in words is "seven hundred sixty-eight billion, six hundred ninety million, five hundred sixty-two thousand, five hundred".