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12432010013 = 29009428557
BaseRepresentation
bin10111001010000000…
…10110101100011101
31012002102000112200022
423211000112230131
5200430043310023
65413341041525
7620035225103
oct134500265435
935072015608
1012432010013
1152aa600145
1224ab5562a5
131231802c57
1485d155c73
154cb6587c8
hex2e5016b1d

12432010013 has 4 divisors (see below), whose sum is σ = 12432467580. Its totient is φ = 12431552448.

The previous prime is 12432010009. The next prime is 12432010051. The reversal of 12432010013 is 31001023421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7876030009 + 4555980004 = 88747^2 + 67498^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432010013 - 22 = 12432010009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12432009973 and 12432010000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432010093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185270 + ... + 243287.

It is an arithmetic number, because the mean of its divisors is an integer number (3108116895).

Almost surely, 212432010013 is an apocalyptic number.

It is an amenable number.

12432010013 is a deficient number, since it is larger than the sum of its proper divisors (457567).

12432010013 is an equidigital number, since it uses as much as digits as its factorization.

12432010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457566.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12432010013 its reverse (31001023421), we get a palindrome (43433033434).

The spelling of 12432010013 in words is "twelve billion, four hundred thirty-two million, ten thousand, thirteen".

Divisors: 1 29009 428557 12432010013