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253110032120 = 235113171814669
BaseRepresentation
bin1110101110111010001…
…0001001011011111000
3220012022200011212011002
43223232202021123320
513121332132011440
6312135510224132
724200205526541
oct3535642113370
9805280155132
10253110032120
1198386018430
124107a055048
131ab394ba29a
14c37189b4c8
1568b5d95115
hex3aee8896f8

253110032120 has 64 divisors (see below), whose sum is σ = 623230264800. Its totient is φ = 91749614080.

The previous prime is 253110032113. The next prime is 253110032173. The reversal of 253110032120 is 21230011352.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 253110032092 and 253110032101.

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, 767855 + ... + 1046814.

Almost surely, 2253110032120 is an apocalyptic number.

253110032120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253110032120 is an abundant number, since it is smaller than the sum of its proper divisors (370120232680).

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

253110032120 is a wasteful number, since it uses less digits than its factorization.

253110032120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815008 (or 1815004 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 253110032120 its reverse (21230011352), we get a palindrome (274340043472).

The spelling of 253110032120 in words is "two hundred fifty-three billion, one hundred ten million, thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 317 440 634 1268 1585 2536 3170 3487 6340 6974 12680 13948 17435 27896 34870 69740 139480 1814669 3629338 7258676 9073345 14517352 18146690 19961359 36293380 39922718 72586760 79845436 99806795 159690872 199613590 399227180 575250073 798454360 1150500146 2301000292 2876250365 4602000584 5752500730 6327750803 11505001460 12655501606 23010002920 25311003212 31638754015 50622006424 63277508030 126555016060 253110032120