Search a number
-
+
12617045613407 = 39893331626979
BaseRepresentation
bin1011011110011010001010…
…0001011001101101011111
31122200011210121021001000202
42313212202201121231133
53123204202134112112
642500105111014115
72441360103126314
oct267464241315537
948604717231022
1012617045613407
11402494a361004
1214b932706a33b
13706a22921071
1431894da16d0b
1516d2e94756c2
hexb79a2859b5f

12617045613407 has 4 divisors (see below), whose sum is σ = 12617077639320. Its totient is φ = 12617013587496.

The previous prime is 12617045613373. The next prime is 12617045613437. The reversal of 12617045613407 is 70431654071621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12617045613407 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 (12617045613437) 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, 15414557 + ... + 16212422.

It is an arithmetic number, because the mean of its divisors is an integer number (3154269409830).

Almost surely, 212617045613407 is an apocalyptic number.

12617045613407 is a deficient number, since it is larger than the sum of its proper divisors (32025913).

12617045613407 is an equidigital number, since it uses as much as digits as its factorization.

12617045613407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32025912.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 12617045613407 in words is "twelve trillion, six hundred seventeen billion, forty-five million, six hundred thirteen thousand, four hundred seven".

Divisors: 1 398933 31626979 12617045613407