Base | Representation |
---|---|
bin | 111111001011100… |
… | …1001011011101000 |
3 | 12110202011000101100 |
4 | 1332113021123220 |
5 | 13320204402120 |
6 | 550210521400 |
7 | 103351451511 |
oct | 17627113350 |
9 | 5422130340 |
10 | 2119997160 |
11 | 998757276 |
12 | 4b1b96260 |
13 | 27a29cbb8 |
14 | 1617b3a08 |
15 | c61b7490 |
hex | 7e5c96e8 |
2119997160 has 48 divisors (see below), whose sum is σ = 6889991940. Its totient is φ = 565332480.
The previous prime is 2119997123. The next prime is 2119997213. The reversal of 2119997160 is 617999112.
It can be written as a sum of positive squares in 2 ways, for example, as 2056985316 + 63011844 = 45354^2 + 7938^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2944081 + ... + 2944800.
Almost surely, 22119997160 is an apocalyptic number.
2119997160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2119997160 is an abundant number, since it is smaller than the sum of its proper divisors (4769994780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2119997160 is a wasteful number, since it uses less digits than its factorization.
2119997160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5888898 (or 5888891 counting only the distinct ones).
The product of its (nonzero) digits is 61236, while the sum is 45.
The square root of 2119997160 is about 46043.4268924458. The cubic root of 2119997160 is about 1284.6310840717.
The spelling of 2119997160 in words is "two billion, one hundred nineteen million, nine hundred ninety-seven thousand, one hundred sixty".
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