Base | Representation |
---|---|
bin | 11101001100101000… |
… | …011111100101010000 |
3 | 2222220212102002211110 |
4 | 131030220133211100 |
5 | 1003201204021413 |
6 | 22222513013320 |
7 | 2156615316204 |
oct | 351450374520 |
9 | 88825362743 |
10 | 31350454608 |
11 | 12328572620 |
12 | 60ab254240 |
13 | 2c580b7375 |
14 | 1735940b04 |
15 | c374838c3 |
hex | 74ca1f950 |
31350454608 has 80 divisors (see below), whose sum is σ = 90739210176. Its totient is φ = 9243371520.
The previous prime is 31350454601. The next prime is 31350454657. The reversal of 31350454608 is 80645405313.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31350454601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782841 + ... + 821912.
Almost surely, 231350454608 is an apocalyptic number.
It is an amenable number.
31350454608 is an abundant number, since it is smaller than the sum of its proper divisors (59388755568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31350454608 is a wasteful number, since it uses less digits than its factorization.
31350454608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1604812 (or 1604806 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 39.
The spelling of 31350454608 in words is "thirty-one billion, three hundred fifty million, four hundred fifty-four thousand, six hundred eight".
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