Base | Representation |
---|---|
bin | 11110000000111100001… |
… | …11011110000001010010 |
3 | 10122120221220001101001002 |
4 | 33000132013132001102 |
5 | 113344044120103430 |
6 | 2105434350542002 |
7 | 134336340323333 |
oct | 17003607360122 |
9 | 3576856041032 |
10 | 1031297425490 |
11 | 3684095689a2 |
12 | 147a57507902 |
13 | 763353a6b17 |
14 | 37cb4d0228a |
15 | 1bc5e222845 |
hex | f01e1de052 |
1031297425490 has 16 divisors (see below), whose sum is σ = 1856361642840. Its totient is φ = 412513130880.
The previous prime is 1031297425471. The next prime is 1031297425507. The reversal of 1031297425490 is 945247921301.
It can be written as a sum of positive squares in 4 ways, for example, as 750044334601 + 281253090889 = 866051^2 + 530333^2 .
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, 51716 + ... + 1437104.
Almost surely, 21031297425490 is an apocalyptic number.
1031297425490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1031297425490 is a deficient number, since it is larger than the sum of its proper divisors (825064217350).
1031297425490 is a wasteful number, since it uses less digits than its factorization.
1031297425490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1459837.
The product of its (nonzero) digits is 544320, while the sum is 47.
The spelling of 1031297425490 in words is "one trillion, thirty-one billion, two hundred ninety-seven million, four hundred twenty-five thousand, four hundred ninety".
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