Search a number
-
+
108508650432 = 2637136792693
BaseRepresentation
bin110010100001110011…
…1101001101111000000
3101101002011011120100220
41211003213221233000
53234211203303212
6121503112543040
710560642211350
oct1450347515700
9341064146326
10108508650432
1142022339106
12190433b1a80
13a303546140
1453750d2b60
152c5120b38c
hex19439e9bc0

108508650432 has 224 divisors, whose sum is σ = 358626412032. Its totient is φ = 28190232576.

The previous prime is 108508650403. The next prime is 108508650433. The reversal of 108508650432 is 234056805801.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108508650433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1124278 + ... + 1216970.

It is an arithmetic number, because the mean of its divisors is an integer number (1601010768).

Almost surely, 2108508650432 is an apocalyptic number.

108508650432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108508650432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179313206016).

108508650432 is an abundant number, since it is smaller than the sum of its proper divisors (250117761600).

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

108508650432 is a wasteful number, since it uses less digits than its factorization.

108508650432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92795 (or 92785 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 108508650432 in words is "one hundred eight billion, five hundred eight million, six hundred fifty thousand, four hundred thirty-two".