Search a number
-
+
3151344961 = 17185373233
BaseRepresentation
bin1011101111010101…
…1011010101000001
322010121210220121001
42323311123111001
522423221014321
61240412132001
7141043663432
oct27365332501
98117726531
103151344961
111377941126
1273b467001
133b2b6467b
1421c761489
151369dbc91
hexbbd5b541

3151344961 has 4 divisors (see below), whose sum is σ = 3336718212. Its totient is φ = 2965971712.

The previous prime is 3151344949. The next prime is 3151345009. The reversal of 3151344961 is 1694431513.

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 2911249936 + 240095025 = 53956^2 + 15495^2 .

It is a cyclic number.

It is not a de Polignac number, because 3151344961 - 217 = 3151213889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3151344961.

It is not an unprimeable number, because it can be changed into a prime (3151344461) 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, 92686600 + ... + 92686633.

It is an arithmetic number, because the mean of its divisors is an integer number (834179553).

Almost surely, 23151344961 is an apocalyptic number.

It is an amenable number.

3151344961 is a deficient number, since it is larger than the sum of its proper divisors (185373251).

3151344961 is a wasteful number, since it uses less digits than its factorization.

3151344961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185373250.

The product of its digits is 38880, while the sum is 37.

The square root of 3151344961 is about 56136.8413878088. The cubic root of 3151344961 is about 1466.1058114222.

The spelling of 3151344961 in words is "three billion, one hundred fifty-one million, three hundred forty-four thousand, nine hundred sixty-one".

Divisors: 1 17 185373233 3151344961