Base | Representation |
---|---|
bin | 111011011011010… |
… | …0011110110110011 |
3 | 12010222002102011020 |
4 | 1312312203312303 |
5 | 13040431423011 |
6 | 525510350523 |
7 | 100261561164 |
oct | 16666436663 |
9 | 5128072136 |
10 | 1994014131 |
11 | 93362936a |
12 | 47795b443 |
13 | 25a15c925 |
14 | 14cb7b76b |
15 | ba0ce006 |
hex | 76da3db3 |
1994014131 has 16 divisors (see below), whose sum is σ = 2732341248. Its totient is φ = 1292724800.
The previous prime is 1994014111. The next prime is 1994014153. The reversal of 1994014131 is 1314104991.
It is a cyclic number.
It is not a de Polignac number, because 1994014131 - 26 = 1994014067 is a prime.
It is a super-2 number, since 2×19940141312 = 7952184709255370322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1994014092 and 1994014101.
It is not an unprimeable number, because it can be changed into a prime (1994014111) 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, 12190 + ... + 64316.
It is an arithmetic number, because the mean of its divisors is an integer number (170771328).
Almost surely, 21994014131 is an apocalyptic number.
1994014131 is a deficient number, since it is larger than the sum of its proper divisors (738327117).
1994014131 is a wasteful number, since it uses less digits than its factorization.
1994014131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52482.
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 1994014131 is about 44654.3853501535. The cubic root of 1994014131 is about 1258.6628400864.
The spelling of 1994014131 in words is "one billion, nine hundred ninety-four million, fourteen thousand, one hundred thirty-one".
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