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12425645015 = 571720883437
BaseRepresentation
bin10111001001010000…
…00100101111010111
31012001222001011112122
423210220010233113
5200421431120030
65412552410155
7616630145210
oct134450045727
935058034478
1012425645015
1152a6a53013
1224a93a695b
1312303b4a94
1485c37a407
154cacec8e5
hex2e4a04bd7

12425645015 has 16 divisors (see below), whose sum is σ = 18043290432. Its totient is φ = 8019239424.

The previous prime is 12425644939. The next prime is 12425645017. The reversal of 12425645015 is 51054652421.

12425645015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12425645015 - 224 = 12408867799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425645017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10441124 + ... + 10442313.

It is an arithmetic number, because the mean of its divisors is an integer number (1127705652).

Almost surely, 212425645015 is an apocalyptic number.

12425645015 is a deficient number, since it is larger than the sum of its proper divisors (5617645417).

12425645015 is a wasteful number, since it uses less digits than its factorization.

12425645015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20883466.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 12425645015 in words is "twelve billion, four hundred twenty-five million, six hundred forty-five thousand, fifteen".

Divisors: 1 5 7 17 35 85 119 595 20883437 104417185 146184059 355018429 730920295 1775092145 2485129003 12425645015