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2631493955 = 51035109697
BaseRepresentation
bin1001110011011001…
…0110100101000011
320210101121202002002
42130312112211003
520342130301310
61113042014215
7122132221016
oct23466264503
96711552062
102631493955
1111304563a2
1261534736b
1332c24bc1c
141ad6bd37d
15106051da5
hex9cd96943

2631493955 has 8 divisors (see below), whose sum is σ = 3188451552. Its totient is φ = 2084755968.

The previous prime is 2631493933. The next prime is 2631493957. The reversal of 2631493955 is 5593941362.

2631493955 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 2631493955 - 212 = 2631489859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2631493957) 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, 2554334 + ... + 2555363.

It is an arithmetic number, because the mean of its divisors is an integer number (398556444).

Almost surely, 22631493955 is an apocalyptic number.

2631493955 is a deficient number, since it is larger than the sum of its proper divisors (556957597).

2631493955 is a wasteful number, since it uses less digits than its factorization.

2631493955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109805.

The product of its digits is 874800, while the sum is 47.

The square root of 2631493955 is about 51298.0891944330. The cubic root of 2631493955 is about 1380.5986961520.

The spelling of 2631493955 in words is "two billion, six hundred thirty-one million, four hundred ninety-three thousand, nine hundred fifty-five".

Divisors: 1 5 103 515 5109697 25548485 526298791 2631493955