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1311616024601 = 2515225561851
BaseRepresentation
bin10011000101100010011…
…010000100000000011001
311122101111202221122100112
4103011202122010000121
5132442142200241401
62442314215214105
7163522032154331
oct23054232040031
94571452848315
101311616024601
11466287063423
12192249677335
13968b983b48c
14476a81b40c1
15241b8aea3bb
hex13162684019

1311616024601 has 4 divisors (see below), whose sum is σ = 1316841586704. Its totient is φ = 1306390462500.

The previous prime is 1311616024531. The next prime is 1311616024637. The reversal of 1311616024601 is 1064206161131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1311616024601 - 222 = 1311611830297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311616024001) 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, 2612780675 + ... + 2612781176.

It is an arithmetic number, because the mean of its divisors is an integer number (329210396676).

Almost surely, 21311616024601 is an apocalyptic number.

It is an amenable number.

1311616024601 is a deficient number, since it is larger than the sum of its proper divisors (5225562103).

1311616024601 is an equidigital number, since it uses as much as digits as its factorization.

1311616024601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225562102.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 1311616024601 in words is "one trillion, three hundred eleven billion, six hundred sixteen million, twenty-four thousand, six hundred one".

Divisors: 1 251 5225561851 1311616024601