Base | Representation |
---|---|
bin | 100000100110110110… |
… | …0111011111010011101 |
3 | 20200202000211011000021 |
4 | 1001031230323322131 |
5 | 2121401403231414 |
6 | 52100154032141 |
7 | 5026144355512 |
oct | 1011554737235 |
9 | 220660734007 |
10 | 70023102109 |
11 | 27773241024 |
12 | 116a2718651 |
13 | 67ac175a3c |
14 | 3563b0b309 |
15 | 1c4c675c24 |
hex | 104db3be9d |
70023102109 has 12 divisors (see below), whose sum is σ = 71201247424. Its totient is φ = 68849076384.
The previous prime is 70023102067. The next prime is 70023102133. The reversal of 70023102109 is 90120132007.
It is not a de Polignac number, because 70023102109 - 223 = 70014713501 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 (70023103109) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49207372 + ... + 49208794.
Almost surely, 270023102109 is an apocalyptic number.
It is an amenable number.
70023102109 is a deficient number, since it is larger than the sum of its proper divisors (1178145315).
70023102109 is an frugal number, since it uses more digits than its factorization.
70023102109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3204 (or 2347 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 25.
The spelling of 70023102109 in words is "seventy billion, twenty-three million, one hundred two thousand, one hundred nine".
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