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231530150415 = 3592916615009
BaseRepresentation
bin1101011110100001000…
…1011011101000001111
3211010121201211021122010
43113220101123220033
512243133204303130
6254210302352303
722504350543534
oct3275021335017
9733551737563
10231530150415
118a211808953
1238a56b8b693
1318aaa701b05
14b2c583ad8b
1560515a10b0
hex35e845ba0f

231530150415 has 16 divisors (see below), whose sum is σ = 370847023200. Its totient is φ = 123349819392.

The previous prime is 231530150413. The next prime is 231530150419. The reversal of 231530150415 is 514051035132.

It is not a de Polignac number, because 231530150415 - 21 = 231530150413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231530150413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8293570 + ... + 8321439.

It is an arithmetic number, because the mean of its divisors is an integer number (23177938950).

Almost surely, 2231530150415 is an apocalyptic number.

231530150415 is a deficient number, since it is larger than the sum of its proper divisors (139316872785).

231530150415 is a wasteful number, since it uses less digits than its factorization.

231530150415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16615946.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 231530150415 its reverse (514051035132), we get a palindrome (745581185547).

The spelling of 231530150415 in words is "two hundred thirty-one billion, five hundred thirty million, one hundred fifty thousand, four hundred fifteen".

Divisors: 1 3 5 15 929 2787 4645 13935 16615009 49845027 83075045 249225135 15435343361 46306030083 77176716805 231530150415