Base | Representation |
---|---|
bin | 1110101101101011100… |
… | …0010101001010110111 |
3 | 220011110200201212212121 |
4 | 3223122320111022313 |
5 | 13120143224144111 |
6 | 312043051100411 |
7 | 24156063060334 |
oct | 3533270251267 |
9 | 804420655777 |
10 | 252780303031 |
11 | 98226989053 |
12 | 40ba7741707 |
13 | 1aab60b0909 |
14 | c33db8998b |
15 | 6896e62871 |
hex | 3adae152b7 |
252780303031 has 4 divisors (see below), whose sum is σ = 252786392064. Its totient is φ = 252774214000.
The previous prime is 252780303029. The next prime is 252780303077. The reversal of 252780303031 is 130303087252.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 252780303031 - 21 = 252780303029 is a prime.
It is a super-2 number, since 2×2527803030312 (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 (252780304031) 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, 2981815 + ... + 3065416.
It is an arithmetic number, because the mean of its divisors is an integer number (63196598016).
Almost surely, 2252780303031 is an apocalyptic number.
252780303031 is a deficient number, since it is larger than the sum of its proper divisors (6089033).
252780303031 is an equidigital number, since it uses as much as digits as its factorization.
252780303031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6089032.
The product of its (nonzero) digits is 30240, while the sum is 34.
The spelling of 252780303031 in words is "two hundred fifty-two billion, seven hundred eighty million, three hundred three thousand, thirty-one".
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