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231316065412060 = 225175871159014257
BaseRepresentation
bin110100100110000101110111…
…111010001110001111011100
31010100000121012022120202120011
4310212011313322032033130
5220304340300221141220
62135545044453533004
766503014511313436
oct6446056772161734
91110017168522504
10231316065412060
1167782657589442
1221b3a72a344164
139c0c01bca1c35
144119a86077656
151bb20dd3a565a
hexd26177e8e3dc

231316065412060 has 48 divisors (see below), whose sum is σ = 515214290080224. Its totient is φ = 86935341314048.

The previous prime is 231316065412037. The next prime is 231316065412139. The reversal of 231316065412060 is 60214560613132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579307549 + ... + 579706708.

It is an arithmetic number, because the mean of its divisors is an integer number (10733631043338).

Almost surely, 2231316065412060 is an apocalyptic number.

231316065412060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231316065412060 is an abundant number, since it is smaller than the sum of its proper divisors (283898224668164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231316065412060 is a wasteful number, since it uses less digits than its factorization.

231316065412060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159014870 (or 1159014868 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 231316065412060 in words is "two hundred thirty-one trillion, three hundred sixteen billion, sixty-five million, four hundred twelve thousand, sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 587 1174 2348 2935 5870 9979 11740 19958 39916 49895 99790 199580 1159014257 2318028514 4636057028 5795071285 11590142570 19703242369 23180285140 39406484738 78812969476 98516211845 197032423690 394064847380 680341368859 1360682737718 2721365475436 3401706844295 6803413688590 11565803270603 13606827377180 23131606541206 46263213082412 57829016353015 115658032706030 231316065412060