Search a number
-
+
13124954892 = 2237521299903
BaseRepresentation
bin11000011100100111…
…01110101100001100
31020212200220210100110
430032103232230030
5203334442024032
610010213200020
7643151163420
oct141623565414
936780823313
1013124954892
115625770965
122663630010
131312241cca
148c71b4b80
1551c3d57cc
hex30e4eeb0c

13124954892 has 48 divisors (see below), whose sum is σ = 35067174912. Its totient is φ = 3742776960.

The previous prime is 13124954837. The next prime is 13124954893. The reversal of 13124954892 is 29845942131.

It is a happy number.

13124954892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13124954893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106188 + ... + 193715.

It is an arithmetic number, because the mean of its divisors is an integer number (730566144).

Almost surely, 213124954892 is an apocalyptic number.

13124954892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13124954892 is an abundant number, since it is smaller than the sum of its proper divisors (21942220020).

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

13124954892 is a wasteful number, since it uses less digits than its factorization.

13124954892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300438 (or 300436 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 13124954892 in words is "thirteen billion, one hundred twenty-four million, nine hundred fifty-four thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 521 1042 1563 2084 3126 3647 6252 7294 10941 14588 21882 43764 299903 599806 899709 1199612 1799418 2099321 3598836 4198642 6297963 8397284 12595926 25191852 156249463 312498926 468748389 624997852 937496778 1093746241 1874993556 2187492482 3281238723 4374984964 6562477446 13124954892