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113030221020 = 22351883837017
BaseRepresentation
bin110100101000100100…
…0000100110011011100
3101210202021022011011020
41221101020010303130
53322441214033040
6123531513524140
711110665012033
oct1512110046334
9353667264136
10113030221020
1143a32682002
1219aa5713650
13a874232bb2
14568381571a
152e1815acd0
hex1a51204cdc

113030221020 has 24 divisors (see below), whose sum is σ = 316484619024. Its totient is φ = 30141392256.

The previous prime is 113030221009. The next prime is 113030221033. The reversal of 113030221020 is 20122030311.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 941918449 + ... + 941918568.

It is an arithmetic number, because the mean of its divisors is an integer number (13186859126).

Almost surely, 2113030221020 is an apocalyptic number.

113030221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113030221020 is an abundant number, since it is smaller than the sum of its proper divisors (203454398004).

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

113030221020 is a wasteful number, since it uses less digits than its factorization.

113030221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883837029 (or 1883837027 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 113030221020 its reverse (20122030311), we get a palindrome (133152251331).

The spelling of 113030221020 in words is "one hundred thirteen billion, thirty million, two hundred twenty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1883837017 3767674034 5651511051 7535348068 9419185085 11303022102 18838370170 22606044204 28257555255 37676740340 56515110510 113030221020