Base | Representation |
---|---|
bin | 100000100111100100… |
… | …0001101001000100111 |
3 | 20200210200211200211011 |
4 | 1001033020031020213 |
5 | 2121424014342001 |
6 | 52102410523051 |
7 | 5026554624541 |
oct | 1011710151047 |
9 | 220720750734 |
10 | 70047027751 |
11 | 277857a2788 |
12 | 116aa736487 |
13 | 67b4101c1c |
14 | 3566d78691 |
15 | 1c4e7eed51 |
hex | 104f20d227 |
70047027751 has 4 divisors (see below), whose sum is σ = 70510915504. Its totient is φ = 69583140000.
The previous prime is 70047027727. The next prime is 70047027769. The reversal of 70047027751 is 15772074007.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15772074007 = 42187 ⋅373861.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70047027751 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70047027451) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231943650 + ... + 231943951.
It is an arithmetic number, because the mean of its divisors is an integer number (17627728876).
Almost surely, 270047027751 is an apocalyptic number.
70047027751 is a deficient number, since it is larger than the sum of its proper divisors (463887753).
70047027751 is a wasteful number, since it uses less digits than its factorization.
70047027751 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 463887752.
The product of its (nonzero) digits is 96040, while the sum is 40.
The spelling of 70047027751 in words is "seventy billion, forty-seven million, twenty-seven thousand, seven hundred fifty-one".
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