Search a number
-
+
12513132562625 = 53979901104233
BaseRepresentation
bin1011011000010111000011…
…0100100100100011000001
31122022020120201112010020022
42312011300310210203001
53120003343414001000
642340242001423225
72431021042562432
oct266056064444301
948266521463208
1012513132562625
113a94876129a42
1214a116693ab15
136c9ca2514376
143138d2dd7489
1516a76693d585
hexb6170d248c1

12513132562625 has 32 divisors (see below), whose sum is σ = 15779128039584. Its totient is φ = 9906209280000.

The previous prime is 12513132562607. The next prime is 12513132562691. The reversal of 12513132562625 is 52626523131521.

It can be written as a sum of positive squares in 16 ways, for example, as 3978297517489 + 8534835045136 = 1994567^2 + 2921444^2 .

It is a de Polignac number, because none of the positive numbers 2k-12513132562625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119997509 + ... + 120101741.

It is an arithmetic number, because the mean of its divisors is an integer number (493097751237).

Almost surely, 212513132562625 is an apocalyptic number.

It is an amenable number.

12513132562625 is a deficient number, since it is larger than the sum of its proper divisors (3265995476959).

12513132562625 is an equidigital number, since it uses as much as digits as its factorization.

12513132562625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114246 (or 114236 counting only the distinct ones).

The product of its digits is 648000, while the sum is 44.

The spelling of 12513132562625 in words is "twelve trillion, five hundred thirteen billion, one hundred thirty-two million, five hundred sixty-two thousand, six hundred twenty-five".

Divisors: 1 5 25 97 125 485 2425 9901 12125 49505 104233 247525 521165 960397 1237625 2605825 4801985 10110601 13029125 24009925 50553005 120049625 252765025 1032010933 1263825125 5160054665 25800273325 100105060501 129001366625 500525302505 2502626512525 12513132562625