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31152042110 = 2572114334871
BaseRepresentation
bin11101000000110011…
…100111000001111110
32222102001001201001102
4131000303213001332
51002244410321420
622151104213102
72151655663130
oct350063470176
988361051042
1031152042110
1112236574352
12605490a192
132c25c67817
141717453050
15c24d3ea75
hex740ce707e

31152042110 has 64 divisors (see below), whose sum is σ = 64549868544. Its totient is φ = 10603353600.

The previous prime is 31152042109. The next prime is 31152042137. The reversal of 31152042110 is 1124025113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6392975 + ... + 6397845.

It is an arithmetic number, because the mean of its divisors is an integer number (1008591696).

Almost surely, 231152042110 is an apocalyptic number.

31152042110 is an abundant number, since it is smaller than the sum of its proper divisors (33397826434).

31152042110 is a wasteful number, since it uses less digits than its factorization.

31152042110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 31152042110 its reverse (1124025113), we get a palindrome (32276067223).

The spelling of 31152042110 in words is "thirty-one billion, one hundred fifty-two million, forty-two thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 211 422 433 866 1055 1477 2110 2165 2954 3031 4330 4871 6062 7385 9742 14770 15155 24355 30310 34097 48710 68194 91363 170485 182726 340970 456815 639541 913630 1027781 1279082 2055562 2109143 3197705 4218286 5138905 6395410 7194467 10277810 10545715 14388934 14764001 21091430 29528002 35972335 71944670 73820005 147640010 445029173 890058346 2225145865 3115204211 4450291730 6230408422 15576021055 31152042110