Search a number
-
+
113112213320 = 2356434397831
BaseRepresentation
bin110100101011000000…
…0110110011101001000
3101210221222120210110002
41221112000312131020
53323123211311240
6123544003142132
711113011643451
oct1512600663510
9353858523402
10113112213320
1143a74994037
1219b09074948
13a888210052
14569067a128
152e20454d15
hex1a56036748

113112213320 has 32 divisors (see below), whose sum is σ = 254898342720. Its totient is φ = 45174509760.

The previous prime is 113112213299. The next prime is 113112213343. The reversal of 113112213320 is 23312211311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113112213292 and 113112213301.

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, 2173196 + ... + 2224635.

It is an arithmetic number, because the mean of its divisors is an integer number (7965573210).

Almost surely, 2113112213320 is an apocalyptic number.

113112213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113112213320 is an abundant number, since it is smaller than the sum of its proper divisors (141786129400).

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

113112213320 is a wasteful number, since it uses less digits than its factorization.

113112213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398485 (or 4398481 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113112213320 its reverse (23312211311), we get a palindrome (136424424631).

The spelling of 113112213320 in words is "one hundred thirteen billion, one hundred twelve million, two hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 643 1286 2572 3215 5144 6430 12860 25720 4397831 8795662 17591324 21989155 35182648 43978310 87956620 175913240 2827805333 5655610666 11311221332 14139026665 22622442664 28278053330 56556106660 113112213320