Base | Representation |
---|---|
bin | 1110101011100010000… |
… | …1111101010100011111 |
3 | 220002222112100022100010 |
4 | 3222320201331110133 |
5 | 13113003211402311 |
6 | 311505543134303 |
7 | 24135564511101 |
oct | 3527041752437 |
9 | 802875308303 |
10 | 252204012831 |
11 | 97a60654761 |
12 | 40a66744393 |
13 | 1aa23896bb4 |
14 | c2c7415571 |
15 | 6861579da6 |
hex | 3ab887d51f |
252204012831 has 4 divisors (see below), whose sum is σ = 336272017112. Its totient is φ = 168136008552.
The previous prime is 252204012763. The next prime is 252204012859. The reversal of 252204012831 is 138210402252.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 252204012831 - 225 = 252170458399 is a prime.
It is a super-2 number, since 2×2522040128312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252204011831) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42034002136 + ... + 42034002141.
It is an arithmetic number, because the mean of its divisors is an integer number (84068004278).
Almost surely, 2252204012831 is an apocalyptic number.
252204012831 is a deficient number, since it is larger than the sum of its proper divisors (84068004281).
252204012831 is an equidigital number, since it uses as much as digits as its factorization.
252204012831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84068004280.
The product of its (nonzero) digits is 7680, while the sum is 30.
The spelling of 252204012831 in words is "two hundred fifty-two billion, two hundred four million, twelve thousand, eight hundred thirty-one".
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