Base | Representation |
---|---|
bin | 111101111011111… |
… | …0000000000101111 |
3 | 12100211112010010010 |
4 | 1323313300000233 |
5 | 13224010242033 |
6 | 542115144303 |
7 | 102333340350 |
oct | 17367600057 |
9 | 5324463103 |
10 | 2078212143 |
11 | 9771075a7 |
12 | 49bba5093 |
13 | 27172ca37 |
14 | 15a017d27 |
15 | c26b1863 |
hex | 7bdf002f |
2078212143 has 16 divisors (see below), whose sum is σ = 3167894016. Its totient is φ = 1187139360.
The previous prime is 2078212133. The next prime is 2078212159. The reversal of 2078212143 is 3412128702.
It is not a de Polignac number, because 2078212143 - 212 = 2078208047 is a prime.
It is a super-2 number, since 2×20782121432 = 8637931422625304898, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2078212143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2078212133) 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, 51505 + ... + 82517.
It is an arithmetic number, because the mean of its divisors is an integer number (197993376).
Almost surely, 22078212143 is an apocalyptic number.
2078212143 is a deficient number, since it is larger than the sum of its proper divisors (1089681873).
2078212143 is a wasteful number, since it uses less digits than its factorization.
2078212143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34214.
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 2078212143 is about 45587.4121112397. The cubic root of 2078212143 is about 1276.1350175931.
The spelling of 2078212143 in words is "two billion, seventy-eight million, two hundred twelve thousand, one hundred forty-three".
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