Base | Representation |
---|---|
bin | 11111101010000101100… |
… | …10101100101101101010 |
3 | 10211222122222110202021122 |
4 | 33311002302230231222 |
5 | 120310201302444430 |
6 | 2151412035535242 |
7 | 141405251413346 |
oct | 17650262545552 |
9 | 3758588422248 |
10 | 1087747312490 |
11 | 38a347000573 |
12 | 15699045a522 |
13 | 7b76049ca17 |
14 | 3a90c0b0626 |
15 | 1d464e69ee5 |
hex | fd42cacb6a |
1087747312490 has 8 divisors (see below), whose sum is σ = 1957945162500. Its totient is φ = 435098924992.
The previous prime is 1087747312489. The next prime is 1087747312511. The reversal of 1087747312490 is 942137477801.
It can be written as a sum of positive squares in 2 ways, for example, as 1087742616601 + 4695889 = 1042949^2 + 2167^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54387365615 + ... + 54387365634.
Almost surely, 21087747312490 is an apocalyptic number.
1087747312490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1087747312490 is a deficient number, since it is larger than the sum of its proper divisors (870197850010).
1087747312490 is a wasteful number, since it uses less digits than its factorization.
1087747312490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108774731256.
The product of its (nonzero) digits is 2370816, while the sum is 53.
The spelling of 1087747312490 in words is "one trillion, eighty-seven billion, seven hundred forty-seven million, three hundred twelve thousand, four hundred ninety".
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