Base | Representation |
---|---|
bin | 1110010011010… |
… | …01110011010111 |
3 | 22100202011022112 |
4 | 13021221303113 |
5 | 221203033111 |
6 | 15523221235 |
7 | 2654510525 |
oct | 711516327 |
9 | 270664275 |
10 | 119971031 |
11 | 617a2014 |
12 | 3421781b |
13 | 1bb1699b |
14 | 11d0d315 |
15 | a7ebe8b |
hex | 7269cd7 |
119971031 has 2 divisors, whose sum is σ = 119971032. Its totient is φ = 119971030.
The previous prime is 119971003. The next prime is 119971063. The reversal of 119971031 is 130179911.
It is an a-pointer prime, because the next prime (119971063) can be obtained adding 119971031 to its sum of digits (32).
It is a weak prime.
It is an emirp because it is prime and its reverse (130179911) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 119971031 - 214 = 119954647 is a prime.
It is a super-2 number, since 2×1199710312 = 28786096558405922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (119971081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59985515 + 59985516.
It is an arithmetic number, because the mean of its divisors is an integer number (59985516).
Almost surely, 2119971031 is an apocalyptic number.
119971031 is a deficient number, since it is larger than the sum of its proper divisors (1).
119971031 is an equidigital number, since it uses as much as digits as its factorization.
119971031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1701, while the sum is 32.
The square root of 119971031 is about 10953.1288223959. The cubic root of 119971031 is about 493.2027207287.
The spelling of 119971031 in words is "one hundred nineteen million, nine hundred seventy-one thousand, thirty-one".
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