Search a number
-
+
10839449154 = 2323431182243
BaseRepresentation
bin10100001100001010…
…01101111001000010
31000222102100001212210
422012011031321002
5134144344333104
64551331002550
7532416540402
oct120605157102
930872301783
1010839449154
11466264a646
122126139456
1310398a3251
1474b83a802
15436928989
hex28614de42

10839449154 has 32 divisors (see below), whose sum is σ = 22674069504. Its totient is φ = 3448018640.

The previous prime is 10839449149. The next prime is 10839449171. The reversal of 10839449154 is 45194493801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31644 + ... + 150599.

It is an arithmetic number, because the mean of its divisors is an integer number (708564672).

Almost surely, 210839449154 is an apocalyptic number.

10839449154 is an abundant number, since it is smaller than the sum of its proper divisors (11834620350).

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

10839449154 is a wasteful number, since it uses less digits than its factorization.

10839449154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182702.

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

The spelling of 10839449154 in words is "ten billion, eight hundred thirty-nine million, four hundred forty-nine thousand, one hundred fifty-four".

Divisors: 1 2 3 6 23 46 69 138 431 862 1293 2586 9913 19826 29739 59478 182243 364486 546729 1093458 4191589 8383178 12574767 25149534 78546733 157093466 235640199 471280398 1806574859 3613149718 5419724577 10839449154