Base | Representation |
---|---|
bin | 1001001001010100110… |
… | …0111011001111001001 |
3 | 120000120002210102102101 |
4 | 2102111030323033021 |
5 | 10033241214004301 |
6 | 200103022033401 |
7 | 14231426046613 |
oct | 2222514731711 |
9 | 500502712371 |
10 | 157122016201 |
11 | 606a9311357 |
12 | 2654ba18861 |
13 | 11a7cc36c27 |
14 | 78675cddb3 |
15 | 4148e9b701 |
hex | 249533b3c9 |
157122016201 has 2 divisors, whose sum is σ = 157122016202. Its totient is φ = 157122016200.
The previous prime is 157122016171. The next prime is 157122016217. The reversal of 157122016201 is 102610221751.
157122016201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 127199935801 + 29922080400 = 356651^2 + 172980^2 .
It is an emirp because it is prime and its reverse (102610221751) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 157122016201 - 25 = 157122016169 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 157122016201.
It is not a weakly prime, because it can be changed into another prime (157122116201) 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, 78561008100 + 78561008101.
It is an arithmetic number, because the mean of its divisors is an integer number (78561008101).
Almost surely, 2157122016201 is an apocalyptic number.
It is an amenable number.
157122016201 is a deficient number, since it is larger than the sum of its proper divisors (1).
157122016201 is an equidigital number, since it uses as much as digits as its factorization.
157122016201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1680, while the sum is 28.
Adding to 157122016201 its reverse (102610221751), we get a palindrome (259732237952).
The spelling of 157122016201 in words is "one hundred fifty-seven billion, one hundred twenty-two million, sixteen thousand, two hundred one".
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