Base | Representation |
---|---|
bin | 1101011111110… |
… | …00001000011100 |
3 | 21220000212101101 |
4 | 12233320020130 |
5 | 212440321410 |
6 | 15122322444 |
7 | 2543205625 |
oct | 657701034 |
9 | 256025341 |
10 | 113213980 |
11 | 589a7380 |
12 | 31ab9424 |
13 | 1a5bc229 |
14 | 11070a4c |
15 | 9e14d3a |
hex | 6bf821c |
113213980 has 48 divisors (see below), whose sum is σ = 260620416. Its totient is φ = 40969280.
The previous prime is 113213977. The next prime is 113213983. The reversal of 113213980 is 89312311.
It is an interprime number because it is at equal distance from previous prime (113213977) and next prime (113213983).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (113213983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48807 + ... + 51073.
It is an arithmetic number, because the mean of its divisors is an integer number (5429592).
Almost surely, 2113213980 is an apocalyptic number.
113213980 is a gapful number since it is divisible by the number (10) 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 113213980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130310208).
113213980 is an abundant number, since it is smaller than the sum of its proper divisors (147406436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
113213980 is a wasteful number, since it uses less digits than its factorization.
113213980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2514 (or 2512 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 28.
The square root of 113213980 is about 10640.2058250769. The cubic root of 113213980 is about 483.7637840575.
The spelling of 113213980 in words is "one hundred thirteen million, two hundred thirteen thousand, nine hundred eighty".
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