Base | Representation |
---|---|
bin | 1110101101011000111… |
… | …0100111111100011100 |
3 | 220011021020212221100202 |
4 | 3223112032213330130 |
5 | 13120013234323040 |
6 | 312031222243032 |
7 | 24154124530526 |
oct | 3532616477434 |
9 | 804236787322 |
10 | 252702261020 |
11 | 98196924a20 |
12 | 40b85586478 |
13 | 1aaa2b87801 |
14 | c333672a16 |
15 | 6890199015 |
hex | 3ad63a7f1c |
252702261020 has 48 divisors (see below), whose sum is σ = 581917579488. Its totient is φ = 91415592960.
The previous prime is 252702260953. The next prime is 252702261029. The reversal of 252702261020 is 20162207252.
It is a super-2 number, since 2×2527022610202 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252702261029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2933309 + ... + 3018228.
It is an arithmetic number, because the mean of its divisors is an integer number (12123282906).
Almost surely, 2252702261020 is an apocalyptic number.
252702261020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
252702261020 is an abundant number, since it is smaller than the sum of its proper divisors (329215318468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252702261020 is a wasteful number, since it uses less digits than its factorization.
252702261020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5951750 (or 5951748 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 29.
Adding to 252702261020 its reverse (20162207252), we get a palindrome (272864468272).
The spelling of 252702261020 in words is "two hundred fifty-two billion, seven hundred two million, two hundred sixty-one thousand, twenty".
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