Base | Representation |
---|---|
bin | 1001001100011001111… |
… | …0100010000011101111 |
3 | 120002200201101002022120 |
4 | 2103012132202003233 |
5 | 10041434332341442 |
6 | 200321033044023 |
7 | 14261054633121 |
oct | 2230636420357 |
9 | 502621332276 |
10 | 157948715247 |
11 | 60a92a28604 |
12 | 26740856613 |
13 | 11b822a746b |
14 | 7905309211 |
15 | 41968494ec |
hex | 24c67a20ef |
157948715247 has 16 divisors (see below), whose sum is σ = 211125726720. Its totient is φ = 105035515200.
The previous prime is 157948715231. The next prime is 157948715297. The reversal of 157948715247 is 742517849751.
157948715247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 157948715247 - 24 = 157948715231 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157948715207) 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 in 15 ways as a sum of consecutive naturals, for example, 11942004 + ... + 11955222.
It is an arithmetic number, because the mean of its divisors is an integer number (13195357920).
Almost surely, 2157948715247 is an apocalyptic number.
157948715247 is a deficient number, since it is larger than the sum of its proper divisors (53177011473).
157948715247 is a wasteful number, since it uses less digits than its factorization.
157948715247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22894.
The product of its digits is 19756800, while the sum is 60.
The spelling of 157948715247 in words is "one hundred fifty-seven billion, nine hundred forty-eight million, seven hundred fifteen thousand, two hundred forty-seven".
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