Search a number
-
+
113110131020 = 22541913497629
BaseRepresentation
bin110100101010111100…
…0111010000101001100
3101210221211200000001212
41221111320322011030
53323122143143040
6123543450353552
711112655151555
oct1512570720514
9353854600055
10113110131020
1143a737a1627
1219b0842b8b8
13a887961313
14569029732c
152e20192d65
hex1a55e3a14c

113110131020 has 24 divisors (see below), whose sum is σ = 238098193200. Its totient is φ = 45136068032.

The previous prime is 113110131019. The next prime is 113110131047. The reversal of 113110131020 is 20131011311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 113110130986 and 113110131004.

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, 6740435 + ... + 6757194.

It is an arithmetic number, because the mean of its divisors is an integer number (9920758050).

Almost surely, 2113110131020 is an apocalyptic number.

113110131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113110131020 is an abundant number, since it is smaller than the sum of its proper divisors (124988062180).

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

113110131020 is a wasteful number, since it uses less digits than its factorization.

113110131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13498057 (or 13498055 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 113110131020 its reverse (20131011311), we get a palindrome (133241142331).

The spelling of 113110131020 in words is "one hundred thirteen billion, one hundred ten million, one hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 419 838 1676 2095 4190 8380 13497629 26995258 53990516 67488145 134976290 269952580 5655506551 11311013102 22622026204 28277532755 56555065510 113110131020