Base | Representation |
---|---|
bin | 11101001011101100… |
… | …000010001000100001 |
3 | 2222212202120212201201 |
4 | 131023230002020201 |
5 | 1003133124332340 |
6 | 22221145201201 |
7 | 2156333515351 |
oct | 351354021041 |
9 | 88782525651 |
10 | 31334605345 |
11 | 1231a62785a |
12 | 60a5a90201 |
13 | 2c54a282c4 |
14 | 17337b6b61 |
15 | c35da279a |
hex | 74bb02221 |
31334605345 has 16 divisors (see below), whose sum is σ = 39600792000. Its totient is φ = 23736189888.
The previous prime is 31334605327. The next prime is 31334605349. The reversal of 31334605345 is 54350643313.
It is not a de Polignac number, because 31334605345 - 27 = 31334605217 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31334605349) 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, 104671 + ... + 271339.
It is an arithmetic number, because the mean of its divisors is an integer number (2475049500).
Almost surely, 231334605345 is an apocalyptic number.
It is an amenable number.
31334605345 is a deficient number, since it is larger than the sum of its proper divisors (8266186655).
31334605345 is a wasteful number, since it uses less digits than its factorization.
31334605345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168672.
The product of its (nonzero) digits is 194400, while the sum is 37.
The spelling of 31334605345 in words is "thirty-one billion, three hundred thirty-four million, six hundred five thousand, three hundred forty-five".
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