Base | Representation |
---|---|
bin | 111111101100100… |
… | …0101000100000001 |
3 | 12111221200010001000 |
4 | 1333121011010001 |
5 | 13334120441034 |
6 | 552025202213 |
7 | 103651405161 |
oct | 17731050401 |
9 | 5457603030 |
10 | 2137280769 |
11 | 9a7491748 |
12 | 4b7930369 |
13 | 280a41aa0 |
14 | 163bd25a1 |
15 | c797d599 |
hex | 7f645101 |
2137280769 has 32 divisors (see below), whose sum is σ = 3412976000. Its totient is φ = 1314066240.
The previous prime is 2137280767. The next prime is 2137280779. The reversal of 2137280769 is 9670827312.
It is not a de Polignac number, because 2137280769 - 21 = 2137280767 is a prime.
It is a super-2 number, since 2×21372807692 = 9135938171074462722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2137280767) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 541734 + ... + 545664.
It is an arithmetic number, because the mean of its divisors is an integer number (106655500).
Almost surely, 22137280769 is an apocalyptic number.
It is an amenable number.
2137280769 is a deficient number, since it is larger than the sum of its proper divisors (1275695231).
2137280769 is a wasteful number, since it uses less digits than its factorization.
2137280769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5502 (or 5496 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 2137280769 is about 46230.7340305126. The cubic root of 2137280769 is about 1288.1126917541.
The spelling of 2137280769 in words is "two billion, one hundred thirty-seven million, two hundred eighty thousand, seven hundred sixty-nine".
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