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768071052872 = 233098532
BaseRepresentation
bin10110010110101001001…
…10100010111001001000
32201102112012012011121022
423023110212202321020
5100041002142142442
61344502540132012
7106330342141424
oct13132446427110
92642465164538
10768071052872
112768120a4192
12104a35537008
1357576087056
1429263a79b84
1514ea518d3d2
hexb2d49a2e48

768071052872 has 12 divisors (see below), whose sum is σ = 1440137871945. Its totient is φ = 384034287024.

The previous prime is 768071052857. The next prime is 768071052893. The reversal of 768071052872 is 278250170867.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 497552479876 + 270518572996 = 705374^2 + 520114^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=619706.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2323898 + ... + 2633750.

Almost surely, 2768071052872 is an apocalyptic number.

It is an amenable number.

768071052872 is a deficient number, since it is larger than the sum of its proper divisors (672066819073).

768071052872 is an frugal number, since it uses more digits than its factorization.

768071052872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619712 (or 309855 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 53.

The spelling of 768071052872 in words is "seven hundred sixty-eight billion, seventy-one million, fifty-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 309853 619706 1239412 2478824 96008881609 192017763218 384035526436 768071052872