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12331310439 = 373838571789
BaseRepresentation
bin10110111110000000…
…01101110101100111
31011211101112110211110
423133000031311213
5200223303413224
65355342440103
7614403260250
oct133700156547
934741473743
1012331310439
115258781058
122481893033
1312169a5bc6
1484da21b27
154c28b6929
hex2df00dd67

12331310439 has 32 divisors (see below), whose sum is σ = 18872156160. Its totient is φ = 7015940352.

The previous prime is 12331310419. The next prime is 12331310543. The reversal of 12331310439 is 93401313321.

It is not a de Polignac number, because 12331310439 - 27 = 12331310311 is a prime.

It is a super-2 number, since 2×123313104392 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331310419) 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 31 ways as a sum of consecutive naturals, for example, 6891957 + ... + 6893745.

It is an arithmetic number, because the mean of its divisors is an integer number (589754880).

Almost surely, 212331310439 is an apocalyptic number.

12331310439 is a deficient number, since it is larger than the sum of its proper divisors (6540845721).

12331310439 is a wasteful number, since it uses less digits than its factorization.

12331310439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 12331310439 in words is "twelve billion, three hundred thirty-one million, three hundred ten thousand, four hundred thirty-nine".

Divisors: 1 3 7 21 383 857 1149 1789 2571 2681 5367 5999 8043 12523 17997 37569 328231 685187 984693 1533173 2055561 2297617 4599519 4796309 6892851 10732211 14388927 32196633 587205259 1761615777 4110436813 12331310439