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32315138912 = 2571297111229
BaseRepresentation
bin11110000110001000…
…011110001101100000
310002102002122010220202
4132012020132031200
51012140133421122
622502333324332
72222541101660
oct360610361540
9102362563822
1032315138912
1112783065181
12631a3366a8
13307cc0ab94
1417c7ad81a0
15c91edae92
hex78621e360

32315138912 has 48 divisors (see below), whose sum is σ = 72765776160. Its totient is φ = 13838542848.

The previous prime is 32315138903. The next prime is 32315138963. The reversal of 32315138912 is 21983151323.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234914 + ... + 346142.

It is an arithmetic number, because the mean of its divisors is an integer number (1515953670).

Almost surely, 232315138912 is an apocalyptic number.

32315138912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32315138912 is an abundant number, since it is smaller than the sum of its proper divisors (40450637248).

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

32315138912 is a wasteful number, since it uses less digits than its factorization.

32315138912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112543 (or 112535 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The spelling of 32315138912 in words is "thirty-two billion, three hundred fifteen million, one hundred thirty-eight thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 1297 2594 5188 9079 10376 18158 20752 36316 41504 72632 111229 145264 222458 290528 444916 778603 889832 1557206 1779664 3114412 3559328 6228824 12457648 24915296 144264013 288528026 577056052 1009848091 1154112104 2019696182 2308224208 4039392364 4616448416 8078784728 16157569456 32315138912