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3131640606 = 23521940101
BaseRepresentation
bin1011101010101001…
…0000101100011110
322002020201211022010
42322222100230132
522403144444411
61234425532050
7140414335353
oct27252205436
98066654263
103131640606
111367802a36
12734944026
133aba559a3
14219cb262a
15134de87a6
hexbaa90b1e

3131640606 has 8 divisors (see below), whose sum is σ = 6263281224. Its totient is φ = 1043880200.

The previous prime is 3131640599. The next prime is 3131640619. The reversal of 3131640606 is 6060461313.

3131640606 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.

3131640606 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260970045 + ... + 260970056.

It is an arithmetic number, because the mean of its divisors is an integer number (782910153).

Almost surely, 23131640606 is an apocalyptic number.

3131640606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131640606 is a wasteful number, since it uses less digits than its factorization.

3131640606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521940106.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 3131640606 is about 55961.0633029788. The cubic root of 3131640606 is about 1463.0437230854.

The spelling of 3131640606 in words is "three billion, one hundred thirty-one million, six hundred forty thousand, six hundred six".

Divisors: 1 2 3 6 521940101 1043880202 1565820303 3131640606