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203132310012 = 22326318942257
BaseRepresentation
bin1011110100101110100…
…0010001000111111100
3201102022122021112001100
42331023220101013330
511312003332410022
6233152342213100
720450544101112
oct2751350210774
9642278245040
10203132310012
1179169991065
1233450724190
131620324a758
149b900c9ab2
15543d4511ac
hex2f4ba111fc

203132310012 has 36 divisors (see below), whose sum is σ = 514287142096. Its totient is φ = 67603455360.

The previous prime is 203132310001. The next prime is 203132310037. The reversal of 203132310012 is 210013231302.

203132310012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2031323100122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4448413 + ... + 4493844.

Almost surely, 2203132310012 is an apocalyptic number.

It is an amenable number.

203132310012 is an abundant number, since it is smaller than the sum of its proper divisors (311154832084).

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

203132310012 is a wasteful number, since it uses less digits than its factorization.

203132310012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8942898 (or 8942893 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 203132310012 its reverse (210013231302), we get a palindrome (413145541314).

The spelling of 203132310012 in words is "two hundred three billion, one hundred thirty-two million, three hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 631 1262 1893 2524 3786 5679 7572 11358 22716 8942257 17884514 26826771 35769028 53653542 80480313 107307084 160960626 321921252 5642564167 11285128334 16927692501 22570256668 33855385002 50783077503 67710770004 101566155006 203132310012