Base | Representation |
---|---|
bin | 1001001100001010010… |
… | …0000010010001000001 |
3 | 120002112010210220012021 |
4 | 2103002210002101001 |
5 | 10041321030032100 |
6 | 200310325401441 |
7 | 14256326526322 |
oct | 2230244022101 |
9 | 502463726167 |
10 | 157883049025 |
11 | 60a599575a9 |
12 | 26722869281 |
13 | 11b717c5400 |
14 | 78da6d4449 |
15 | 4190bc7a1a |
hex | 24c2902441 |
157883049025 has 27 divisors (see below), whose sum is σ = 212027711259. Its totient is φ = 116571486720.
The previous prime is 157883049019. The next prime is 157883049047. The reversal of 157883049025 is 520940388751.
It is a happy number.
The square root of 157883049025 is 397345.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 13 ways, for example, as 143575061569 + 14307987456 = 378913^2 + 119616^2 .
It is not a de Polignac number, because 157883049025 - 221 = 157880951873 is a prime.
It is a super-3 number, since 3×1578830490253 (a number of 35 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25824369 + ... + 25830481.
Almost surely, 2157883049025 is an apocalyptic number.
157883049025 is the 397345-th square number.
157883049025 is the 198673-rd centered octagonal number.
It is an amenable number.
157883049025 is a deficient number, since it is larger than the sum of its proper divisors (54144662234).
157883049025 is an frugal number, since it uses more digits than its factorization.
157883049025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12262 (or 6131 counting only the distinct ones).
The product of its (nonzero) digits is 2419200, while the sum is 52.
The spelling of 157883049025 in words is "one hundred fifty-seven billion, eight hundred eighty-three million, forty-nine thousand, twenty-five".
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