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12395570122013 = 131657575440793
BaseRepresentation
bin1011010001100001000110…
…0011011100110100011101
31121220000010121001100121012
42310120101203130310131
53111042111422401023
642210240222345005
72416356532405241
oct264302143346435
947800117040535
1012395570122013
113a49a28200311
12148241742b165
136bbb88336640
1430bd3d6ca421
1516768597c978
hexb46118dcd1d

12395570122013 has 8 divisors (see below), whose sum is σ = 13357131710328. Its totient is φ = 11435159418624.

The previous prime is 12395570121983. The next prime is 12395570122021. The reversal of 12395570122013 is 31022107559321.

It can be written as a sum of positive squares in 4 ways, for example, as 8288645764 + 12387281476249 = 91042^2 + 3519557^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12395570122013 - 214 = 12395570105629 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 (12395570122213) 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, 287698856 + ... + 287741937.

It is an arithmetic number, because the mean of its divisors is an integer number (1669641463791).

Almost surely, 212395570122013 is an apocalyptic number.

12395570122013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12395570122013 is a deficient number, since it is larger than the sum of its proper divisors (961561588315).

12395570122013 is a wasteful number, since it uses less digits than its factorization.

12395570122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575442463.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 12395570122013 in words is "twelve trillion, three hundred ninety-five billion, five hundred seventy million, one hundred twenty-two thousand, thirteen".

Divisors: 1 13 1657 21541 575440793 7480730309 953505394001 12395570122013