Search a number
-
+
3121600137 = 33492981471
BaseRepresentation
bin1011101000001111…
…1101011010001001
322001112211201100220
42322003331122021
522343112201022
61233430420253
7140233110015
oct27203753211
98045751326
103121600137
111362075427
12731501689
133a994b896
1421881b545
151340b385c
hexba0fd689

3121600137 has 8 divisors (see below), whose sum is σ = 4174060800. Its totient is φ = 2075103120.

The previous prime is 3121600133. The next prime is 3121600147. The reversal of 3121600137 is 7310061213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3121600137 - 22 = 3121600133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3121600133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489689 + ... + 1491782.

It is an arithmetic number, because the mean of its divisors is an integer number (521757600).

Almost surely, 23121600137 is an apocalyptic number.

It is an amenable number.

3121600137 is a deficient number, since it is larger than the sum of its proper divisors (1052460663).

3121600137 is a wasteful number, since it uses less digits than its factorization.

3121600137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981823.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 3121600137 is about 55871.2818628676. The cubic root of 3121600137 is about 1461.4784761935.

The spelling of 3121600137 in words is "three billion, one hundred twenty-one million, six hundred thousand, one hundred thirty-seven".

Divisors: 1 3 349 1047 2981471 8944413 1040533379 3121600137