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12445614623 = 131997196691
BaseRepresentation
bin10111001011101000…
…10000001000011111
31012010100121201200202
423211310100020133
5200442034131443
65414544414115
7620261656511
oct134564201037
935110551622
1012445614623
115307252522
1224b401733b
131234587410
14860c97bb1
154cc9447b8
hex2e5d1021f

12445614623 has 16 divisors (see below), whose sum is σ = 13491072000. Its totient is φ = 11412925920.

The previous prime is 12445614589. The next prime is 12445614641. The reversal of 12445614623 is 32641654421.

It is a cyclic number.

It is not a de Polignac number, because 12445614623 - 28 = 12445614367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445614823) 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, 1856708 + ... + 1863398.

It is an arithmetic number, because the mean of its divisors is an integer number (843192000).

Almost surely, 212445614623 is an apocalyptic number.

12445614623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12445614623 is a deficient number, since it is larger than the sum of its proper divisors (1045457377).

12445614623 is a wasteful number, since it uses less digits than its factorization.

12445614623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7622.

The product of its digits is 138240, while the sum is 38.

The spelling of 12445614623 in words is "twelve billion, four hundred forty-five million, six hundred fourteen thousand, six hundred twenty-three".

Divisors: 1 13 199 719 2587 6691 9347 86983 143081 1331509 1860053 4810829 17309617 62540777 957354971 12445614623