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12031013332013 = 131723202292609
BaseRepresentation
bin1010111100010011000001…
…0001101010010000101101
31120121011011000010121100212
42233010300101222100231
53034104003403111023
641330545441232205
72351132504000054
oct257046021522055
946534130117325
1012031013332013
113919362418205
121423836032665
1369369a9ac210
142d843884539b
1515ce4a9b0e78
hexaf13046a42d

12031013332013 has 12 divisors (see below), whose sum is σ = 13763453637780. Its totient is φ = 10452283072512.

The previous prime is 12031013331959. The next prime is 12031013332067. The reversal of 12031013332013 is 31023331013021.

It is an interprime number because it is at equal distance from previous prime (12031013331959) and next prime (12031013332067).

It can be written as a sum of positive squares in 6 ways, for example, as 1137759288964 + 10893254043049 = 1066658^2 + 3300493^2 .

It is not a de Polignac number, because 12031013332013 - 212 = 12031013327917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12031013332013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031013332073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1601142548 + ... + 1601150061.

It is an arithmetic number, because the mean of its divisors is an integer number (1146954469815).

Almost surely, 212031013332013 is an apocalyptic number.

12031013332013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12031013332013 is a deficient number, since it is larger than the sum of its proper divisors (1732440305767).

12031013332013 is a wasteful number, since it uses less digits than its factorization.

12031013332013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202292656 (or 3202292639 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 12031013332013 its reverse (31023331013021), we get a palindrome (43054344345034).

The spelling of 12031013332013 in words is "twelve trillion, thirty-one billion, thirteen million, three hundred thirty-two thousand, thirteen".

Divisors: 1 13 17 221 289 3757 3202292609 41629803917 54438974353 707706666589 925462564001 12031013332013