Base | Representation |
---|---|
bin | 11100111110010011… |
… | …101011111010101001 |
3 | 2222022010011210110122 |
4 | 130332103223322221 |
5 | 1002203142302311 |
6 | 22143005453025 |
7 | 2150636435426 |
oct | 347623537251 |
9 | 88263153418 |
10 | 31110119081 |
11 | 1221493aa18 |
12 | 6042871175 |
13 | 2c1a3798b2 |
14 | 1711a5cd4d |
15 | c2130d0db |
hex | 73e4ebea9 |
31110119081 has 8 divisors (see below), whose sum is σ = 31442608128. Its totient is φ = 30778110000.
The previous prime is 31110119077. The next prime is 31110119101. The reversal of 31110119081 is 18091101113.
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 31110119081 - 22 = 31110119077 is a prime.
It is a super-2 number, since 2×311101190812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31110119081.
It is not an unprimeable number, because it can be changed into a prime (31110179081) 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, 11096 + ... + 249686.
It is an arithmetic number, because the mean of its divisors is an integer number (3930326016).
Almost surely, 231110119081 is an apocalyptic number.
It is an amenable number.
31110119081 is a deficient number, since it is larger than the sum of its proper divisors (332489047).
31110119081 is a wasteful number, since it uses less digits than its factorization.
31110119081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239983.
The product of its (nonzero) digits is 216, while the sum is 26.
The spelling of 31110119081 in words is "thirty-one billion, one hundred ten million, one hundred nineteen thousand, eighty-one".
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