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231046532929 = 59281472
BaseRepresentation
bin1101011100101101110…
…0100100111101000001
3211002101000210222011101
43113023130210331001
512241140403023204
6254050305014401
722456356061162
oct3271334447501
9732330728141
10231046532929
1189a93820983
1238941024401
1318a31464714
14b27b50b769
156023dc1ea4
hex35cb724f41

231046532929 has 9 divisors (see below), whose sum is σ = 235057801537. Its totient is φ = 227102610964.

The previous prime is 231046532911. The next prime is 231046532957. The reversal of 231046532929 is 929235640132.

The square root of 231046532929 is 480673.

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

It is not a de Polignac number, because 231046532929 - 223 = 231038144321 is a prime.

It is a super-2 number, since 2×2310465329292 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231046532989) 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, 28355634 + ... + 28363780.

Almost surely, 2231046532929 is an apocalyptic number.

231046532929 is the 480673-rd square number.

231046532929 is the 240337-th centered octagonal number.

It is an amenable number.

231046532929 is a deficient number, since it is larger than the sum of its proper divisors (4011268608).

231046532929 is an frugal number, since it uses more digits than its factorization.

231046532929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16412 (or 8206 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 231046532929 in words is "two hundred thirty-one billion, forty-six million, five hundred thirty-two thousand, nine hundred twenty-nine".

Divisors: 1 59 3481 8147 480673 28359707 66373609 3916042931 231046532929