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2315141141 = 1728010869
BaseRepresentation
bin1000100111111110…
…0100000000010101
312222100100100121012
42021333210000111
514220134004031
61021421302005
7111241242425
oct21177440025
95870310535
102315141141
11a88922895
12547404905
132ab846b01
1417d690485
15d83b2b2b
hex89fe4015

2315141141 has 6 divisors (see below), whose sum is σ = 2459337090. Its totient is φ = 2178956096.

The previous prime is 2315141119. The next prime is 2315141149. The reversal of 2315141141 is 1411415132.

It can be written as a sum of positive squares in 3 ways, for example, as 365918641 + 1949222500 = 19129^2 + 44150^2 .

It is not a de Polignac number, because 2315141141 - 26 = 2315141077 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 (2315141149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4005146 + ... + 4005723.

It is an arithmetic number, because the mean of its divisors is an integer number (409889515).

Almost surely, 22315141141 is an apocalyptic number.

It is an amenable number.

2315141141 is a deficient number, since it is larger than the sum of its proper divisors (144195949).

2315141141 is an equidigital number, since it uses as much as digits as its factorization.

2315141141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010903 (or 8010886 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 2315141141 is about 48115.9135941530. The cubic root of 2315141141 is about 1322.8963683163.

Adding to 2315141141 its reverse (1411415132), we get a palindrome (3726556273).

The spelling of 2315141141 in words is "two billion, three hundred fifteen million, one hundred forty-one thousand, one hundred forty-one".

Divisors: 1 17 289 8010869 136184773 2315141141