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2311152401 = 23100484887
BaseRepresentation
bin1000100111000001…
…0110001100010001
312222001211201002002
42021300112030101
514213123334101
61021200003345
7111162320435
oct21160261421
95861751062
102311152401
11a86649008
12546000555
132aaa7b3cc
1417cd329c5
15d7d75d6b
hex89c16311

2311152401 has 4 divisors (see below), whose sum is σ = 2411637312. Its totient is φ = 2210667492.

The previous prime is 2311152391. The next prime is 2311152407. The reversal of 2311152401 is 1042511132.

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 2311152401 - 214 = 2311136017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311152407) 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, 50242421 + ... + 50242466.

It is an arithmetic number, because the mean of its divisors is an integer number (602909328).

Almost surely, 22311152401 is an apocalyptic number.

It is an amenable number.

2311152401 is a deficient number, since it is larger than the sum of its proper divisors (100484911).

2311152401 is a wasteful number, since it uses less digits than its factorization.

2311152401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100484910.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2311152401 is about 48074.4464450710. The cubic root of 2311152401 is about 1322.1361953746.

Adding to 2311152401 its reverse (1042511132), we get a palindrome (3353663533).

The spelling of 2311152401 in words is "two billion, three hundred eleven million, one hundred fifty-two thousand, four hundred one".

Divisors: 1 23 100484887 2311152401