Base | Representation |
---|---|
bin | 111100001010110… |
… | …1000110100100010 |
3 | 12012200222200110220 |
4 | 1320111220310202 |
5 | 13113322010041 |
6 | 532200503510 |
7 | 101013456021 |
oct | 17025506442 |
9 | 5180880426 |
10 | 2018938146 |
11 | 946702125 |
12 | 48417ab96 |
13 | 262378374 |
14 | 1521c88b8 |
15 | bc3a3d66 |
hex | 78568d22 |
2018938146 has 16 divisors (see below), whose sum is σ = 4039240608. Its totient is φ = 672752000.
The previous prime is 2018938133. The next prime is 2018938171. The reversal of 2018938146 is 6418398102.
It is a super-2 number, since 2×20189381462 = 8152222474747834632, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2018938098 and 2018938107.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37080 + ... + 73571.
It is an arithmetic number, because the mean of its divisors is an integer number (252452538).
Almost surely, 22018938146 is an apocalyptic number.
2018938146 is an abundant number, since it is smaller than the sum of its proper divisors (2020302462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2018938146 is a wasteful number, since it uses less digits than its factorization.
2018938146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113697.
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 2018938146 is about 44932.5955849426. The cubic root of 2018938146 is about 1263.8853248960.
The spelling of 2018938146 in words is "two billion, eighteen million, nine hundred thirty-eight thousand, one hundred forty-six".
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