Base | Representation |
---|---|
bin | 1001001001001100100… |
… | …1101100110011001111 |
3 | 120000110201001201111112 |
4 | 2102103021230303033 |
5 | 10033203412204312 |
6 | 200055352442235 |
7 | 14230530464234 |
oct | 2222311546317 |
9 | 500421051445 |
10 | 157087616207 |
11 | 60690956105 |
12 | 265403a937b |
13 | 11a75a812c2 |
14 | 7862bd778b |
15 | 4145e53d22 |
hex | 249326cccf |
157087616207 has 2 divisors, whose sum is σ = 157087616208. Its totient is φ = 157087616206.
The previous prime is 157087616183. The next prime is 157087616239. The reversal of 157087616207 is 702616780751.
157087616207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 157087616207 - 230 = 156013874383 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (157087615207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78543808103 + 78543808104.
It is an arithmetic number, because the mean of its divisors is an integer number (78543808104).
Almost surely, 2157087616207 is an apocalyptic number.
157087616207 is a deficient number, since it is larger than the sum of its proper divisors (1).
157087616207 is an equidigital number, since it uses as much as digits as its factorization.
157087616207 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 987840, while the sum is 50.
The spelling of 157087616207 in words is "one hundred fifty-seven billion, eighty-seven million, six hundred sixteen thousand, two hundred seven".
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