Base | Representation |
---|---|
bin | 111001100111101011100101… |
… | …110000101000100110001010 |
3 | 1020020021021201222002020200220 |
4 | 321213223211300220212022 |
5 | 231203424433333132000 |
6 | 2254545251441410510 |
7 | 104243444463444654 |
oct | 7147534560504612 |
9 | 1206237658066626 |
10 | 253415515130250 |
11 | 73822a09842500 |
12 | 2450975b339a36 |
13 | ab52c9931ac15 |
14 | 468153aac16d4 |
15 | 1e46dbbea71a0 |
hex | e67ae5c2898a |
253415515130250 has 384 divisors, whose sum is σ = 701454091193856. Its totient is φ = 60888682624000.
The previous prime is 253415515130231. The next prime is 253415515130377. The reversal of 253415515130250 is 52031515514352.
253415515130250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4701821302 + ... + 4701875198.
It is an arithmetic number, because the mean of its divisors is an integer number (1826703362484).
Almost surely, 2253415515130250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 253415515130250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350727045596928).
253415515130250 is an abundant number, since it is smaller than the sum of its proper divisors (448038576063606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253415515130250 is a wasteful number, since it uses less digits than its factorization.
253415515130250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54399 (or 54378 counting only the distinct ones).
The product of its (nonzero) digits is 450000, while the sum is 42.
The spelling of 253415515130250 in words is "two hundred fifty-three trillion, four hundred fifteen billion, five hundred fifteen million, one hundred thirty thousand, two hundred fifty".
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