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3979168130 = 257232471533
BaseRepresentation
bin1110110100101101…
…0100100110000010
3101021022111200111102
43231023110212002
531122131340010
61454503214402
7200415241160
oct35513244602
911238450442
103979168130
111762155a03
12930747402
134b5509772
1429a690230
1518450cba5
hexed2d4982

3979168130 has 32 divisors (see below), whose sum is σ = 8541621504. Its totient is φ = 1304968896.

The previous prime is 3979168117. The next prime is 3979168133. The reversal of 3979168130 is 318619793.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3979168133) 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, 1234157 + ... + 1237376.

It is an arithmetic number, because the mean of its divisors is an integer number (266925672).

Almost surely, 23979168130 is an apocalyptic number.

3979168130 is an abundant number, since it is smaller than the sum of its proper divisors (4562453374).

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

3979168130 is a wasteful number, since it uses less digits than its factorization.

3979168130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471570.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 3979168130 is about 63080.6478248282. The cubic root of 3979168130 is about 1584.6405431648.

The spelling of 3979168130 in words is "three billion, nine hundred seventy-nine million, one hundred sixty-eight thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 2471533 4943066 12357665 17300731 24715330 34601462 56845259 86503655 113690518 173007310 284226295 397916813 568452590 795833626 1989584065 3979168130