Search a number
-
+
13557802664 = 237242103619
BaseRepresentation
bin11001010000001101…
…11010011010101000
31021222212101201212102
430220012322122220
5210231244141124
610121154432532
7656655264320
oct145006723250
937885351772
1013557802664
11582803189a
122764592748
131380b14853
1492888a280
155453d6aae
hex3281ba6a8

13557802664 has 16 divisors (see below), whose sum is σ = 29052434400. Its totient is φ = 5810486832.

The previous prime is 13557802639. The next prime is 13557802693. The reversal of 13557802664 is 46620875531.

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, 121051754 + ... + 121051865.

It is an arithmetic number, because the mean of its divisors is an integer number (1815777150).

Almost surely, 213557802664 is an apocalyptic number.

13557802664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13557802664 is an abundant number, since it is smaller than the sum of its proper divisors (15494631736).

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

13557802664 is a wasteful number, since it uses less digits than its factorization.

13557802664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242103632 (or 242103628 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 13557802664 in words is "thirteen billion, five hundred fifty-seven million, eight hundred two thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 242103619 484207238 968414476 1694725333 1936828952 3389450666 6778901332 13557802664