Base | Representation |
---|---|
bin | 100000110011101111… |
… | …0000110100100111111 |
3 | 20201212011022020101012 |
4 | 1001213132012210333 |
5 | 2123243041434442 |
6 | 52211120105435 |
7 | 5042644125251 |
oct | 1014736064477 |
9 | 221764266335 |
10 | 70455421247 |
11 | 27975280872 |
12 | 117a346527b |
13 | 684a8c1a93 |
14 | 35a52c5cd1 |
15 | 1c755c0582 |
hex | 106778693f |
70455421247 has 2 divisors, whose sum is σ = 70455421248. Its totient is φ = 70455421246.
The previous prime is 70455421229. The next prime is 70455421259. The reversal of 70455421247 is 74212455407.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 70455421247 - 28 = 70455420991 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70455421147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35227710623 + 35227710624.
It is an arithmetic number, because the mean of its divisors is an integer number (35227710624).
Almost surely, 270455421247 is an apocalyptic number.
70455421247 is a deficient number, since it is larger than the sum of its proper divisors (1).
70455421247 is an equidigital number, since it uses as much as digits as its factorization.
70455421247 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 313600, while the sum is 41.
The spelling of 70455421247 in words is "seventy billion, four hundred fifty-five million, four hundred twenty-one thousand, two hundred forty-seven".
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