Base | Representation |
---|---|
bin | 111001000001100… |
… | …0110001100011111 |
3 | 11221100102112011011 |
4 | 1302003012030133 |
5 | 12404313230211 |
6 | 513511040051 |
7 | 65262516505 |
oct | 16203061437 |
9 | 4840375134 |
10 | 1913414431 |
11 | 8a2088645 |
12 | 454970027 |
13 | 24654c5b6 |
14 | 14219a675 |
15 | b2eac921 |
hex | 720c631f |
1913414431 has 2 divisors, whose sum is σ = 1913414432. Its totient is φ = 1913414430.
The previous prime is 1913414401. The next prime is 1913414441. The reversal of 1913414431 is 1344143191.
It is a strong prime.
It is an emirp because it is prime and its reverse (1344143191) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1913414431 - 29 = 1913413919 is a prime.
It is a super-2 number, since 2×19134144312 = 7322309569518107522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1913414393 and 1913414402.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1913414401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956707215 + 956707216.
It is an arithmetic number, because the mean of its divisors is an integer number (956707216).
Almost surely, 21913414431 is an apocalyptic number.
1913414431 is a deficient number, since it is larger than the sum of its proper divisors (1).
1913414431 is an equidigital number, since it uses as much as digits as its factorization.
1913414431 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5184, while the sum is 31.
The square root of 1913414431 is about 43742.5928701077. The cubic root of 1913414431 is about 1241.4703402600.
The spelling of 1913414431 in words is "one billion, nine hundred thirteen million, four hundred fourteen thousand, four hundred thirty-one".
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