Base | Representation |
---|---|
bin | 111111100101100… |
… | …0111000011111110 |
3 | 12111200210001221210 |
4 | 1333023013003332 |
5 | 13332201301232 |
6 | 551414505250 |
7 | 103605314250 |
oct | 17713070376 |
9 | 5450701853 |
10 | 2133618942 |
11 | 9a5410544 |
12 | 4b6665226 |
13 | 28005c120 |
14 | 16351bcd0 |
15 | c74a85cc |
hex | 7f2c70fe |
2133618942 has 32 divisors (see below), whose sum is σ = 5251986432. Its totient is φ = 562712544.
The previous prime is 2133618937. The next prime is 2133618959. The reversal of 2133618942 is 2498163312.
It is a super-2 number, since 2×21336189422 = 9104659579322398728, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 2133618942.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1953318 + ... + 1954409.
It is an arithmetic number, because the mean of its divisors is an integer number (164124576).
Almost surely, 22133618942 is an apocalyptic number.
2133618942 is an abundant number, since it is smaller than the sum of its proper divisors (3118367490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2133618942 is a wasteful number, since it uses less digits than its factorization.
2133618942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3907752.
The product of its digits is 62208, while the sum is 39.
The square root of 2133618942 is about 46191.1132362059. The cubic root of 2133618942 is about 1287.3766252723.
The spelling of 2133618942 in words is "two billion, one hundred thirty-three million, six hundred eighteen thousand, nine hundred forty-two".
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