Base | Representation |
---|---|
bin | 100000111110111101… |
… | …0101010111001001101 |
3 | 20202211101220212100122 |
4 | 1001331322222321031 |
5 | 2130030443240111 |
6 | 52312331434325 |
7 | 5055166066142 |
oct | 1017572527115 |
9 | 222741825318 |
10 | 70832008781 |
11 | 28048905636 |
12 | 118895b59a5 |
13 | 68aa926941 |
14 | 35dd3143c9 |
15 | 1c986abcdb |
hex | 107deaae4d |
70832008781 has 2 divisors, whose sum is σ = 70832008782. Its totient is φ = 70832008780.
The previous prime is 70832008747. The next prime is 70832008789. The reversal of 70832008781 is 18780023807.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 70601272681 + 230736100 = 265709^2 + 15190^2 .
It is a cyclic number.
It is not a de Polignac number, because 70832008781 - 214 = 70831992397 is a prime.
It is a super-2 number, since 2×708320087812 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70832008789) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35416004390 + 35416004391.
It is an arithmetic number, because the mean of its divisors is an integer number (35416004391).
Almost surely, 270832008781 is an apocalyptic number.
It is an amenable number.
70832008781 is a deficient number, since it is larger than the sum of its proper divisors (1).
70832008781 is an equidigital number, since it uses as much as digits as its factorization.
70832008781 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 150528, while the sum is 44.
The spelling of 70832008781 in words is "seventy billion, eight hundred thirty-two million, eight thousand, seven hundred eighty-one".
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