Base | Representation |
---|---|
bin | 1001001001110010100… |
… | …1110010100001100011 |
3 | 120000212211000102210100 |
4 | 2102130221302201203 |
5 | 10034020214220303 |
6 | 200123245233443 |
7 | 14234504433534 |
oct | 2223451624143 |
9 | 500784012710 |
10 | 157247023203 |
11 | 60762932a26 |
12 | 26585862883 |
13 | 11a9cac4b7a |
14 | 787a05068b |
15 | 4154e408a3 |
hex | 249ca72863 |
157247023203 has 24 divisors (see below), whose sum is σ = 230579894480. Its totient is φ = 103245373440.
The previous prime is 157247023187. The next prime is 157247023211. The reversal of 157247023203 is 302320742751.
157247023203 is a `hidden beast` number, since 1 + 572 + 47 + 0 + 23 + 20 + 3 = 666.
It is not a de Polignac number, because 157247023203 - 24 = 157247023187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157247023273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280803 + ... + 627171.
Almost surely, 2157247023203 is an apocalyptic number.
157247023203 is a deficient number, since it is larger than the sum of its proper divisors (73332871277).
157247023203 is a wasteful number, since it uses less digits than its factorization.
157247023203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 347139 (or 347136 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 36.
Adding to 157247023203 its reverse (302320742751), we get a palindrome (459567765954).
The spelling of 157247023203 in words is "one hundred fifty-seven billion, two hundred forty-seven million, twenty-three thousand, two hundred three".
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