Search a number
-
+
3157130401 = 17185713553
BaseRepresentation
bin1011110000101101…
…1111110010100001
322011000200211201121
42330023133302201
522431211133101
61241140132241
7141144110545
oct27413376241
98130624647
103157130401
111380132887
12741397081
133b410bac9
1421d429a25
151372810a1
hexbc2dfca1

3157130401 has 4 divisors (see below), whose sum is σ = 3342843972. Its totient is φ = 2971416832.

The previous prime is 3157130393. The next prime is 3157130411. The reversal of 3157130401 is 1040317513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2223216801 + 933913600 = 47151^2 + 30560^2 .

It is a cyclic number.

It is not a de Polignac number, because 3157130401 - 23 = 3157130393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3157130411) 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, 92856760 + ... + 92856793.

It is an arithmetic number, because the mean of its divisors is an integer number (835710993).

Almost surely, 23157130401 is an apocalyptic number.

It is an amenable number.

3157130401 is a deficient number, since it is larger than the sum of its proper divisors (185713571).

3157130401 is a wasteful number, since it uses less digits than its factorization.

3157130401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185713570.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 3157130401 is about 56188.3475553428. The cubic root of 3157130401 is about 1467.0024531163.

Adding to 3157130401 its reverse (1040317513), we get a palindrome (4197447914).

The spelling of 3157130401 in words is "three billion, one hundred fifty-seven million, one hundred thirty thousand, four hundred one".

Divisors: 1 17 185713553 3157130401