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3955968131 = 197110932683
BaseRepresentation
bin1110101111001011…
…0100100010000011
3101012200212000002012
43223302310202003
531100211440011
61452314043135
7200014113533
oct35362644203
911180760065
103955968131
11175004a455
12924a194ab
134b077595b
142975714c3
15182478a8b
hexebcb4883

3955968131 has 16 divisors (see below), whose sum is σ = 4228266240. Its totient is φ = 3690217440.

The previous prime is 3955968103. The next prime is 3955968143. The reversal of 3955968131 is 1318695593.

3955968131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3955968131 - 218 = 3955705987 is a prime.

It is a super-2 number, since 2×39559681312 = 31299367706975266322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3955968131.

It is not an unprimeable number, because it can be changed into a prime (3955968151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1473116 + ... + 1475798.

It is an arithmetic number, because the mean of its divisors is an integer number (264266640).

Almost surely, 23955968131 is an apocalyptic number.

3955968131 is a deficient number, since it is larger than the sum of its proper divisors (272298109).

3955968131 is a wasteful number, since it uses less digits than its factorization.

3955968131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866.

The product of its digits is 874800, while the sum is 50.

The square root of 3955968131 is about 62896.4874297444. The cubic root of 3955968131 is about 1581.5548613798.

The spelling of 3955968131 in words is "three billion, nine hundred fifty-five million, nine hundred sixty-eight thousand, one hundred thirty-one".

Divisors: 1 19 71 1093 1349 2683 20767 50977 77603 190493 1474457 2932519 3619367 55717861 208208849 3955968131