Base | Representation |
---|---|
bin | 11101010101101110… |
… | …100111100111110100 |
3 | 10000022111120000200201 |
4 | 131111232213213310 |
5 | 1004004240232343 |
6 | 22250003450244 |
7 | 2163450360262 |
oct | 352556474764 |
9 | 100274500621 |
10 | 31503055348 |
11 | 123a6720836 |
12 | 6132386984 |
13 | 2c808b6c6b |
14 | 174bd05432 |
15 | c45a7894d |
hex | 755ba79f4 |
31503055348 has 12 divisors (see below), whose sum is σ = 55201672260. Its totient is φ = 15731148992.
The previous prime is 31503055343. The next prime is 31503055349. The reversal of 31503055348 is 84355030513.
It can be written as a sum of positive squares in 2 ways, for example, as 4410553744 + 27092501604 = 66412^2 + 164598^2 .
It is a super-2 number, since 2×315030553482 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31503055343) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5091193 + ... + 5097376.
It is an arithmetic number, because the mean of its divisors is an integer number (4600139355).
Almost surely, 231503055348 is an apocalyptic number.
It is an amenable number.
31503055348 is a deficient number, since it is larger than the sum of its proper divisors (23698616912).
31503055348 is a wasteful number, since it uses less digits than its factorization.
31503055348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10189346 (or 10189344 counting only the distinct ones).
The product of its (nonzero) digits is 108000, while the sum is 37.
The spelling of 31503055348 in words is "thirty-one billion, five hundred three million, fifty-five thousand, three hundred forty-eight".
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