Base | Representation |
---|---|
bin | 1001001100011001111… |
… | …0100010000011101101 |
3 | 120002200201101002022111 |
4 | 2103012132202003231 |
5 | 10041434332341440 |
6 | 200321033044021 |
7 | 14261054633116 |
oct | 2230636420355 |
9 | 502621332274 |
10 | 157948715245 |
11 | 60a92a28602 |
12 | 26740856611 |
13 | 11b822a7469 |
14 | 790530920d |
15 | 41968494ea |
hex | 24c67a20ed |
157948715245 has 4 divisors (see below), whose sum is σ = 189538458300. Its totient is φ = 126358972192.
The previous prime is 157948715231. The next prime is 157948715297. The reversal of 157948715245 is 542517849751.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 82298413129 + 75650302116 = 286877^2 + 275046^2 .
It is a cyclic number.
It is not a de Polignac number, because 157948715245 - 219 = 157948190957 is a prime.
It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 157948715245.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15794871520 + ... + 15794871529.
It is an arithmetic number, because the mean of its divisors is an integer number (47384614575).
Almost surely, 2157948715245 is an apocalyptic number.
It is an amenable number.
157948715245 is a deficient number, since it is larger than the sum of its proper divisors (31589743055).
157948715245 is an equidigital number, since it uses as much as digits as its factorization.
157948715245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31589743054.
The product of its digits is 14112000, while the sum is 58.
The spelling of 157948715245 in words is "one hundred fifty-seven billion, nine hundred forty-eight million, seven hundred fifteen thousand, two hundred forty-five".
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