Base | Representation |
---|---|
bin | 1001001001000010001… |
… | …1100010010110111011 |
3 | 120000100200002201020020 |
4 | 2102100203202112323 |
5 | 10033111234320111 |
6 | 200051155101523 |
7 | 14226461315064 |
oct | 2222043422673 |
9 | 500320081206 |
10 | 157044057531 |
11 | 606693048a9 |
12 | 265298a18a3 |
13 | 11a69a3ca3a |
14 | 785b0d956b |
15 | 41421ec906 |
hex | 24908e25bb |
157044057531 has 16 divisors (see below), whose sum is σ = 209594208000. Its totient is φ = 104595025248.
The previous prime is 157044057517. The next prime is 157044057553. The reversal of 157044057531 is 135750440751.
It is not a de Polignac number, because 157044057531 - 27 = 157044057403 is a prime.
It is a super-2 number, since 2×1570440575312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (157044007531) 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 15 ways as a sum of consecutive naturals, for example, 22596045 + ... + 22602993.
It is an arithmetic number, because the mean of its divisors is an integer number (13099638000).
Almost surely, 2157044057531 is an apocalyptic number.
157044057531 is a deficient number, since it is larger than the sum of its proper divisors (52550150469).
157044057531 is a wasteful number, since it uses less digits than its factorization.
157044057531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13138.
The product of its (nonzero) digits is 294000, while the sum is 42.
The spelling of 157044057531 in words is "one hundred fifty-seven billion, forty-four million, fifty-seven thousand, five hundred thirty-one".
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