Base | Representation |
---|---|
bin | 11101100011100100… |
… | …000001100101101001 |
3 | 10000220200022010020122 |
4 | 131203210001211221 |
5 | 1004443200043040 |
6 | 22325014333025 |
7 | 2202266254604 |
oct | 354344014551 |
9 | 100820263218 |
10 | 31735159145 |
11 | 12505740858 |
12 | 619805a175 |
13 | 2cb9a019a1 |
14 | 1770a8333b |
15 | c5b1251b5 |
hex | 763901969 |
31735159145 has 8 divisors (see below), whose sum is σ = 38541013056. Its totient is φ = 25082245936.
The previous prime is 31735159117. The next prime is 31735159153. The reversal of 31735159145 is 54195153713.
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 31735159145 - 216 = 31735093609 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31735159096 and 31735159105.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38234717 + ... + 38235546.
It is an arithmetic number, because the mean of its divisors is an integer number (4817626632).
Almost surely, 231735159145 is an apocalyptic number.
It is an amenable number.
31735159145 is a deficient number, since it is larger than the sum of its proper divisors (6805853911).
31735159145 is an equidigital number, since it uses as much as digits as its factorization.
31735159145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76470351.
The product of its digits is 283500, while the sum is 44.
The spelling of 31735159145 in words is "thirty-one billion, seven hundred thirty-five million, one hundred fifty-nine thousand, one hundred forty-five".
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