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231308621704 = 23171748397283
BaseRepresentation
bin1101011101101100010…
…0010111011110001000
3211010001021222110101001
43113123010113132020
512242210001343304
6254132310304344
722466020562326
oct3273304273610
9733037873331
10231308621704
118a108761076
12389b49580b4
1318a7384a634
14b2a4252d16
15603bde2da4
hex35db117788

231308621704 has 32 divisors (see below), whose sum is σ = 459246633120. Its totient is φ = 108843771136.

The previous prime is 231308621651. The next prime is 231308621729. The reversal of 231308621704 is 407126803132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329047 + ... + 2426329.

It is an arithmetic number, because the mean of its divisors is an integer number (14351457285).

Almost surely, 2231308621704 is an apocalyptic number.

It is an amenable number.

231308621704 is a deficient number, since it is larger than the sum of its proper divisors (227938011416).

231308621704 is a wasteful number, since it uses less digits than its factorization.

231308621704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114789 (or 114785 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 231308621704 in words is "two hundred thirty-one billion, three hundred eight million, six hundred twenty-one thousand, seven hundred four".

Divisors: 1 2 4 8 17 34 68 136 17483 34966 69932 97283 139864 194566 297211 389132 594422 778264 1188844 1653811 2377688 3307622 6615244 13230488 1700798689 3401597378 6803194756 13606389512 28913577713 57827155426 115654310852 231308621704