Base | Representation |
---|---|
bin | 110010011101010… |
… | …1011101111101011 |
3 | 11100222212122121110 |
4 | 1210322223233223 |
5 | 11431413331011 |
6 | 440001041403 |
7 | 56646104364 |
oct | 14472535753 |
9 | 4328778543 |
10 | 1693105131 |
11 | 799793a43 |
12 | 3b3026263 |
13 | 20ca04173 |
14 | 120c0cb6b |
15 | 9d990ba6 |
hex | 64eabbeb |
1693105131 has 8 divisors (see below), whose sum is σ = 2284672320. Its totient is φ = 1115137352.
The previous prime is 1693105109. The next prime is 1693105153. The reversal of 1693105131 is 1315013961.
It is an interprime number because it is at equal distance from previous prime (1693105109) and next prime (1693105153).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1693105131 - 221 = 1691007979 is a prime.
It is a super-2 number, since 2×16931051312 = 5733209969237054322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1693105171) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3399561 + ... + 3400058.
It is an arithmetic number, because the mean of its divisors is an integer number (285584040).
Almost surely, 21693105131 is an apocalyptic number.
1693105131 is a deficient number, since it is larger than the sum of its proper divisors (591567189).
1693105131 is an equidigital number, since it uses as much as digits as its factorization.
1693105131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6799705.
The product of its (nonzero) digits is 2430, while the sum is 30.
The square root of 1693105131 is about 41147.3587366188. The cubic root of 1693105131 is about 1191.8674938196.
The spelling of 1693105131 in words is "one billion, six hundred ninety-three million, one hundred five thousand, one hundred thirty-one".
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