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3132097981 = 139115319543
BaseRepresentation
bin1011101010110000…
…0000010110111101
322002021121001200221
42322230000112331
522403304113411
61234443421341
7140421251665
oct27254002675
98067531627
103132097981
111367a95631
12734b24851
133abb85c1c
14219d911a5
15134e89071
hexbab005bd

3132097981 has 8 divisors (see below), whose sum is σ = 3157528640. Its totient is φ = 3106708992.

The previous prime is 3132097967. The next prime is 3132098023. The reversal of 3132097981 is 1897902313.

3132097981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3132097981 - 215 = 3132065213 is a prime.

It is a super-2 number, since 2×31320979812 = 19620075525168552722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132097931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150496 + ... + 170038.

It is an arithmetic number, because the mean of its divisors is an integer number (394691080).

Almost surely, 23132097981 is an apocalyptic number.

It is an amenable number.

3132097981 is a deficient number, since it is larger than the sum of its proper divisors (25430659).

3132097981 is a wasteful number, since it uses less digits than its factorization.

3132097981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20835.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 3132097981 is about 55965.1497005056. The cubic root of 3132097981 is about 1463.1149452905.

The spelling of 3132097981 in words is "three billion, one hundred thirty-two million, ninety-seven thousand, nine hundred eighty-one".

Divisors: 1 139 1153 19543 160267 2716477 22533079 3132097981