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231578463076 = 2229282972
BaseRepresentation
bin1101011110101100100…
…1101110101101100100
3211010202002201211010221
43113223021232231210
512243233041304301
6254215150054124
722505505313012
oct3275311565544
9733662654127
10231578463076
118a237006974
1238a6b1aa344
1318ab771919c
14b2cc0158b2
156055945da1
hex35eb26eb64

231578463076 has 27 divisors (see below), whose sum is σ = 419769347179. Its totient is φ = 111783025088.

The previous prime is 231578463073. The next prime is 231578463091. The reversal of 231578463076 is 670364875132.

The square root of 231578463076 is 481226.

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

231578463076 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 101130360100 + 130448102976 = 318010^2 + 361176^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231578463073) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27906960 + ... + 27915256.

Almost surely, 2231578463076 is an apocalyptic number.

231578463076 is the 481226-th square number.

It is an amenable number.

231578463076 is a deficient number, since it is larger than the sum of its proper divisors (188190884103).

231578463076 is an frugal number, since it uses more digits than its factorization.

231578463076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16656 (or 8328 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 231578463076 in words is "two hundred thirty-one billion, five hundred seventy-eight million, four hundred sixty-three thousand, seventy-six".

Divisors: 1 2 4 29 58 116 841 1682 3364 8297 16594 33188 240613 481226 962452 6977777 13955554 27911108 68840209 137680418 275360836 1996366061 3992732122 7985464244 57894615769 115789231538 231578463076