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32001112312 = 23131076734273
BaseRepresentation
bin11101110011011010…
…100011100011111000
310001121012201221101221
4131303122203203320
51011014241043222
622411234521424
72212005652351
oct356332434370
9101535657357
1032001112312
1112631880364
126251136274
13302cb3b820
141798112d28
15c7465b0c7
hex7736a38f8

32001112312 has 64 divisors (see below), whose sum is σ = 65333731680. Its totient is φ = 14606548992.

The previous prime is 32001112303. The next prime is 32001112313. The reversal of 32001112312 is 21321110023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001112313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7487008 + ... + 7491280.

Almost surely, 232001112312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32001112312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32666865840).

32001112312 is an abundant number, since it is smaller than the sum of its proper divisors (33332619368).

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

32001112312 is a wasteful number, since it uses less digits than its factorization.

32001112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072 (or 5068 counting only the distinct ones).

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

Adding to 32001112312 its reverse (21321110023), we get a palindrome (53322222335).

The spelling of 32001112312 in words is "thirty-two billion, one million, one hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 107 214 428 673 856 1346 1391 2692 2782 4273 5384 5564 8546 8749 11128 17092 17498 34184 34996 55549 69992 72011 111098 144022 222196 288044 444392 457211 576088 914422 936143 1828844 1872286 2875729 3657688 3744572 5751458 5943743 7489144 11502916 11887486 23005832 23774972 37384477 47549944 74768954 149537908 299075816 307703003 615406006 1230812012 2461624024 4000139039 8000278078 16000556156 32001112312