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234623015641 = 72691972
BaseRepresentation
bin1101101010000010011…
…1110001101011011001
3211102121021121010010001
43122200213301223121
512321001443000031
6255441225253001
722644114504400
oct3324047615331
9742537533101
10234623015641
1190559637313
123957a934161
13191813cc491
14b4da4d8637
156182d8a861
hex36a09f1ad9

234623015641 has 9 divisors (see below), whose sum is σ = 272932758399. Its totient is φ = 201102535704.

The previous prime is 234623015639. The next prime is 234623015647. The reversal of 234623015641 is 146510326432.

The square root of 234623015641 is 484379.

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

It can be written as a sum of positive squares in only one way, i.e., 206802110025 + 27820905616 = 454755^2 + 166796^2 .

It is not a de Polignac number, because 234623015641 - 21 = 234623015639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234623015641.

It is not an unprimeable number, because it can be changed into a prime (234623015647) 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, 3356055 + ... + 3425251.

Almost surely, 2234623015641 is an apocalyptic number.

234623015641 is the 484379-th square number.

234623015641 is the 242190-th centered octagonal number.

It is an amenable number.

234623015641 is a deficient number, since it is larger than the sum of its proper divisors (38309742758).

234623015641 is an frugal number, since it uses more digits than its factorization.

234623015641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138408 (or 69204 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 234623015641 in words is "two hundred thirty-four billion, six hundred twenty-three million, fifteen thousand, six hundred forty-one".

Divisors: 1 7 49 69197 484379 3390653 4788224809 33517573663 234623015641