Base | Representation |
---|---|
bin | 11101001011000111… |
… | …100110000001110101 |
3 | 2222212002121120102211 |
4 | 131023013212001311 |
5 | 1003123203144140 |
6 | 22220204333421 |
7 | 2156156362156 |
oct | 351307460165 |
9 | 88762546384 |
10 | 31325053045 |
11 | 123151a2aa0 |
12 | 60a2844271 |
13 | 2c52a62460 |
14 | 173240b92d |
15 | c351172ea |
hex | 74b1e6075 |
31325053045 has 32 divisors (see below), whose sum is σ = 44278657920. Its totient is φ = 20973738240.
The previous prime is 31325053033. The next prime is 31325053049. The reversal of 31325053045 is 54035052313.
It is not a de Polignac number, because 31325053045 - 213 = 31325044853 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31325052998 and 31325053016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31325053049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213187 + ... + 328783.
It is an arithmetic number, because the mean of its divisors is an integer number (1383708060).
Almost surely, 231325053045 is an apocalyptic number.
It is an amenable number.
31325053045 is a deficient number, since it is larger than the sum of its proper divisors (12953604875).
31325053045 is a wasteful number, since it uses less digits than its factorization.
31325053045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116005.
The product of its (nonzero) digits is 27000, while the sum is 31.
The spelling of 31325053045 in words is "thirty-one billion, three hundred twenty-five million, fifty-three thousand, forty-five".
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