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12558051037 = 72378000317
BaseRepresentation
bin10111011001000010…
…01010011011011101
31012102012012002110101
423230201022123131
5201204330113122
65434042341101
7623125446460
oct135441123335
935365162411
1012558051037
115364768684
1225257ba791
13125196373c
14871ba52d7
154d7754027
hex2ec84a6dd

12558051037 has 8 divisors (see below), whose sum is σ = 14976061056. Its totient is φ = 10296041712.

The previous prime is 12558050987. The next prime is 12558051053. The reversal of 12558051037 is 73015085521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12558051037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12558050987 and 12558051005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12558051437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38999998 + ... + 39000319.

It is an arithmetic number, because the mean of its divisors is an integer number (1872007632).

Almost surely, 212558051037 is an apocalyptic number.

It is an amenable number.

12558051037 is a deficient number, since it is larger than the sum of its proper divisors (2418010019).

12558051037 is an equidigital number, since it uses as much as digits as its factorization.

12558051037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78000347.

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 12558051037 in words is "twelve billion, five hundred fifty-eight million, fifty-one thousand, thirty-seven".

Divisors: 1 7 23 161 78000317 546002219 1794007291 12558051037