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768752979696 = 24321331432391289
BaseRepresentation
bin10110010111111010011…
…11111000111011110000
32201111021201100122100100
423023331033320323300
5100043401230322241
61345054340152400
7106353262340322
oct13137517707360
92644251318310
10768752979696
11277032019979
12104ba5998700
1357654439050
14292ca46b612
1514ee4e909b6
hexb2fd3f8ef0

768752979696 has 480 divisors, whose sum is σ = 2459442585600. Its totient is φ = 222477373440.

The previous prime is 768752979689. The next prime is 768752979697. The reversal of 768752979696 is 696979257867.

768752979696 is a `hidden beast` number, since 7 + 6 + 87 + 529 + 7 + 9 + 6 + 9 + 6 = 666.

It is a super-2 number, since 2×7687529796962 (a number of 25 digits) contains 22 as substring.

Its product of digits (4320812160) is a multiple of the sum of its prime divisors (1620).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768752979697) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 596394220 + ... + 596395508.

It is an arithmetic number, because the mean of its divisors is an integer number (5123838720).

Almost surely, 2768752979696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 768752979696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229721292800).

768752979696 is an abundant number, since it is smaller than the sum of its proper divisors (1690689605904).

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

768752979696 is a wasteful number, since it uses less digits than its factorization.

768752979696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1620 counting only the distinct ones).

The product of its digits is 4320812160, while the sum is 81.

The spelling of 768752979696 in words is "seven hundred sixty-eight billion, seven hundred fifty-two million, nine hundred seventy-nine thousand, six hundred ninety-six".