Search a number
-
+
129418962 = 2327197933
BaseRepresentation
bin1111011011011…
…00011011010010
3100000112011102220
413231230123102
5231112401322
620501521510
73131020521
oct755543322
9300464386
10129418962
1167065422
1237413296
1320a7418a
141328c4b8
15b56655c
hex7b6c6d2

129418962 has 16 divisors (see below), whose sum is σ = 258965760. Its totient is φ = 43118352.

The previous prime is 129418957. The next prime is 129418973. The reversal of 129418962 is 269814921.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12348 + ... + 20280.

It is an arithmetic number, because the mean of its divisors is an integer number (16185360).

Almost surely, 2129418962 is an apocalyptic number.

129418962 is an abundant number, since it is smaller than the sum of its proper divisors (129546798).

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

129418962 is a wasteful number, since it uses less digits than its factorization.

129418962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10657.

The product of its digits is 62208, while the sum is 42.

The square root of 129418962 is about 11376.2455142283. The cubic root of 129418962 is about 505.8238514695.

The spelling of 129418962 in words is "one hundred twenty-nine million, four hundred eighteen thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 2719 5438 7933 8157 15866 16314 23799 47598 21569827 43139654 64709481 129418962