Base | Representation |
---|---|
bin | 10101101101001100000… |
… | …111111001110101000101 |
3 | 12021121011022111022200002 |
4 | 111231030013321311011 |
5 | 143414324440321010 |
6 | 3101125024331045 |
7 | 212524000351154 |
oct | 25551407716505 |
9 | 5247138438602 |
10 | 1491630792005 |
11 | 525662771572 |
12 | 201108173a85 |
13 | aa877553523 |
14 | 522a3d3559b |
15 | 28c0276e1a5 |
hex | 15b4c1f9d45 |
1491630792005 has 16 divisors (see below), whose sum is σ = 1895367112704. Its totient is φ = 1123039975680.
The previous prime is 1491630791969. The next prime is 1491630792017. The reversal of 1491630792005 is 5002970361941.
It is not a de Polignac number, because 1491630792005 - 222 = 1491626597701 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838100 + ... + 1919810.
It is an arithmetic number, because the mean of its divisors is an integer number (118460444544).
Almost surely, 21491630792005 is an apocalyptic number.
It is an amenable number.
1491630792005 is a deficient number, since it is larger than the sum of its proper divisors (403736320699).
1491630792005 is a wasteful number, since it uses less digits than its factorization.
1491630792005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1097956.
The product of its (nonzero) digits is 408240, while the sum is 47.
The spelling of 1491630792005 in words is "one trillion, four hundred ninety-one billion, six hundred thirty million, seven hundred ninety-two thousand, five".
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