Search a number
-
+
109107142420 = 22519287124059
BaseRepresentation
bin110010110011101001…
…0101101111100010100
3101102121212100010000211
41211213102231330110
53241422412024140
6122042332415204
710611530260063
oct1454722557424
9342555303024
10109107142420
11422aa156a91
121918b917504
13a39a534503
1453d07a61da
152c88a2c2ea
hex19674adf14

109107142420 has 24 divisors (see below), whose sum is σ = 241184210400. Its totient is φ = 41345864352.

The previous prime is 109107142393. The next prime is 109107142447. The reversal of 109107142420 is 24241701901.

It is an interprime number because it is at equal distance from previous prime (109107142393) and next prime (109107142447).

It is a congruent number.

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, 143561650 + ... + 143562409.

It is an arithmetic number, because the mean of its divisors is an integer number (10049342100).

Almost surely, 2109107142420 is an apocalyptic number.

109107142420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109107142420 is an abundant number, since it is smaller than the sum of its proper divisors (132077067980).

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

109107142420 is a wasteful number, since it uses less digits than its factorization.

109107142420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287124087 (or 287124085 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 109107142420 in words is "one hundred nine billion, one hundred seven million, one hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 287124059 574248118 1148496236 1435620295 2871240590 5455357121 5742481180 10910714242 21821428484 27276785605 54553571210 109107142420