Base | Representation |
---|---|
bin | 10010110100011000… |
… | …10010111000001111 |
3 | 222002002210000110101 |
4 | 21122030102320033 |
5 | 131142343411322 |
6 | 4350304351531 |
7 | 505235664463 |
oct | 113214227017 |
9 | 28062700411 |
10 | 10103107087 |
11 | 4314a38987 |
12 | 1b5b6155a7 |
13 | c5017b298 |
14 | 6bbb224a3 |
15 | 3e1e78327 |
hex | 25a312e0f |
10103107087 has 6 divisors (see below), whose sum is σ = 10463504168. Its totient is φ = 9754723272.
The previous prime is 10103107061. The next prime is 10103107109. The reversal of 10103107087 is 78070130101.
It is a de Polignac number, because none of the positive numbers 2k-10103107087 is a prime.
It is a super-2 number, since 2×101031070872 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10103107057) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6005763 + ... + 6007444.
Almost surely, 210103107087 is an apocalyptic number.
10103107087 is a deficient number, since it is larger than the sum of its proper divisors (360397081).
10103107087 is an equidigital number, since it uses as much as digits as its factorization.
10103107087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12013265 (or 12013236 counting only the distinct ones).
The product of its (nonzero) digits is 1176, while the sum is 28.
Adding to 10103107087 its reverse (78070130101), we get a palindrome (88173237188).
The spelling of 10103107087 in words is "ten billion, one hundred three million, one hundred seven thousand, eighty-seven".
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