Base | Representation |
---|---|
bin | 110000000011010101… |
… | …1100110101010010001 |
3 | 100212100120122122010022 |
4 | 1200012223212222101 |
5 | 3142313433341240 |
6 | 115223323513225 |
7 | 10312114440134 |
oct | 1400653465221 |
9 | 325316578108 |
10 | 103191308945 |
11 | 3a84389280a |
12 | 17bba688815 |
13 | 9966a2742a |
14 | 4dccc2621b |
15 | 2a3e4bc9b5 |
hex | 1806ae6a91 |
103191308945 has 8 divisors (see below), whose sum is σ = 124589262336. Its totient is φ = 82046586096.
The previous prime is 103191308923. The next prime is 103191308951. The reversal of 103191308945 is 549803191301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 103191308945 - 212 = 103191304849 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103191308896 and 103191308905.
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, 63306737 + ... + 63308366.
It is an arithmetic number, because the mean of its divisors is an integer number (15573657792).
Almost surely, 2103191308945 is an apocalyptic number.
It is an amenable number.
103191308945 is a deficient number, since it is larger than the sum of its proper divisors (21397953391).
103191308945 is a wasteful number, since it uses less digits than its factorization.
103191308945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126615271.
The product of its (nonzero) digits is 116640, while the sum is 44.
The spelling of 103191308945 in words is "one hundred three billion, one hundred ninety-one million, three hundred eight thousand, nine hundred forty-five".
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