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12312032110 = 2571947196961
BaseRepresentation
bin10110111011101101…
…01011001101101110
31011210001021000221021
423131312223031232
5200203340011420
65353413324354
7614050355230
oct133566531556
934701230837
1012312032110
115248903a54
1224773366ba
1312129b6101
1484b244250
154c0d597aa
hex2dddab36e

12312032110 has 64 divisors (see below), whose sum is σ = 27228026880. Its totient is φ = 3913989120.

The previous prime is 12312032059. The next prime is 12312032123. The reversal of 12312032110 is 1123021321.

It is a super-2 number, since 2×123120321102 (a number of 21 digits) contains 22 as substring.

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, 35971 + ... + 160990.

It is an arithmetic number, because the mean of its divisors is an integer number (425437920).

Almost surely, 212312032110 is an apocalyptic number.

12312032110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312032110 is an abundant number, since it is smaller than the sum of its proper divisors (14915994770).

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

12312032110 is a wasteful number, since it uses less digits than its factorization.

12312032110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197041.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12312032110 its reverse (1123021321), we get a palindrome (13435053431).

The spelling of 12312032110 in words is "twelve billion, three hundred twelve million, thirty-two thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 47 70 94 95 133 190 235 266 329 470 658 665 893 1330 1645 1786 3290 4465 6251 8930 12502 31255 62510 196961 393922 984805 1378727 1969610 2757454 3742259 6893635 7484518 9257167 13787270 18514334 18711295 26195813 37422590 46285835 52391626 64800169 92571670 129600338 130979065 175886173 261958130 324000845 351772346 648001690 879430865 1231203211 1758861730 2462406422 6156016055 12312032110