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2315111051 = 111712380273
BaseRepresentation
bin1000100111111101…
…1100101010001011
312222100021211022202
42021333130222023
514220132023201
61021420510415
7111241055621
oct21177345213
95870254282
102315111051
11a88902220
125473ab40b
132ab8361c6
1417d683511
15d83a8c6b
hex89fdca8b

2315111051 has 8 divisors (see below), whose sum is σ = 2674139184. Its totient is φ = 1980843520.

The previous prime is 2315111047. The next prime is 2315111081. The reversal of 2315111051 is 1501115132.

It is a happy number.

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 2315111051 - 22 = 2315111047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315111021) 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, 6189950 + ... + 6190323.

It is an arithmetic number, because the mean of its divisors is an integer number (334267398).

Almost surely, 22315111051 is an apocalyptic number.

2315111051 is a deficient number, since it is larger than the sum of its proper divisors (359028133).

2315111051 is a wasteful number, since it uses less digits than its factorization.

2315111051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12380301.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 2315111051 is about 48115.6009107233. The cubic root of 2315111051 is about 1322.8906370423.

Adding to 2315111051 its reverse (1501115132), we get a palindrome (3816226183).

The spelling of 2315111051 in words is "two billion, three hundred fifteen million, one hundred eleven thousand, fifty-one".

Divisors: 1 11 17 187 12380273 136183003 210464641 2315111051