Base | Representation |
---|---|
bin | 111111101011110… |
… | …1110001000110000 |
3 | 12111221000000122000 |
4 | 1333113232020300 |
5 | 13334023042340 |
6 | 552013414000 |
7 | 103645363140 |
oct | 17727561060 |
9 | 5457000560 |
10 | 2136924720 |
11 | 9a7269197 |
12 | 4b779a300 |
13 | 2809489c8 |
14 | 163b3c920 |
15 | c790cd30 |
hex | 7f5ee230 |
2136924720 has 320 divisors, whose sum is σ = 8523264000. Its totient is φ = 481987584.
The previous prime is 2136924709. The next prime is 2136924739. The reversal of 2136924720 is 274296312.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1193586 + ... + 1195374.
It is an arithmetic number, because the mean of its divisors is an integer number (26635200).
Almost surely, 22136924720 is an apocalyptic number.
2136924720 is a gapful number since it is divisible by the number (20) 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 2136924720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4261632000).
2136924720 is an abundant number, since it is smaller than the sum of its proper divisors (6386339280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2136924720 is a wasteful number, since it uses less digits than its factorization.
2136924720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1897 (or 1885 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 2136924720 is about 46226.8830876580. The cubic root of 2136924720 is about 1288.0411590052.
The spelling of 2136924720 in words is "two billion, one hundred thirty-six million, nine hundred twenty-four thousand, seven hundred twenty".
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