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231330212248 = 23171938813251
BaseRepresentation
bin1101011101110001011…
…0101110100110011000
3211010002210121101000211
43113130112232212120
512242231013242443
6254134401140504
722466402234452
oct3273426564630
9733083541024
10231330212248
118a1199683a3
1238a0002a734
1318a781699c5
14b2a70732d2
15603dc5a19d
hex35dc5ae998

231330212248 has 32 divisors (see below), whose sum is σ = 461638139760. Its totient is φ = 108297216000.

The previous prime is 231330212233. The next prime is 231330212249. The reversal of 231330212248 is 842212033132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231330212249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4380378 + ... + 4432873.

Almost surely, 2231330212248 is an apocalyptic number.

It is an amenable number.

231330212248 is a deficient number, since it is larger than the sum of its proper divisors (230307927512).

231330212248 is a wasteful number, since it uses less digits than its factorization.

231330212248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813467 (or 8813463 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 231330212248 in words is "two hundred thirty-one billion, three hundred thirty million, two hundred twelve thousand, two hundred forty-eight".

Divisors: 1 2 4 8 17 34 68 136 193 386 772 1544 3281 6562 13124 26248 8813251 17626502 35253004 70506008 149825267 299650534 599301068 1198602136 1700957443 3401914886 6803829772 13607659544 28916276531 57832553062 115665106124 231330212248