Search a number
-
+
32131032139 = 149215644511
BaseRepresentation
bin11101111011001010…
…001010010001001011
310001221021012112220101
4131323022022101023
51011301021012024
622432155310231
72215144160353
oct357312122113
9101837175811
1032131032139
1112699148018
12628874b377
133050a2996b
1417ab491b63
15c80c70c44
hex77b28a44b

32131032139 has 4 divisors (see below), whose sum is σ = 32346676800. Its totient is φ = 31915387480.

The previous prime is 32131032083. The next prime is 32131032149. The reversal of 32131032139 is 93123013123.

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

It is a cyclic number.

It is not a de Polignac number, because 32131032139 - 211 = 32131030091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32131032149) 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, 107822107 + ... + 107822404.

It is an arithmetic number, because the mean of its divisors is an integer number (8086669200).

Almost surely, 232131032139 is an apocalyptic number.

32131032139 is a deficient number, since it is larger than the sum of its proper divisors (215644661).

32131032139 is a wasteful number, since it uses less digits than its factorization.

32131032139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215644660.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 32131032139 in words is "thirty-two billion, one hundred thirty-one million, thirty-two thousand, one hundred thirty-nine".

Divisors: 1 149 215644511 32131032139