Base | Representation |
---|---|
bin | 111011101110101001011111… |
… | …1001010101011100101111000 |
3 | 2112220012220122100122010202120 |
4 | 1313131102333022223211320 |
5 | 1022330314322402423102 |
6 | 5101220333530201240 |
7 | 215443336445025054 |
oct | 16735227712534570 |
9 | 2486186570563676 |
10 | 525380786764152 |
11 | 142447816530250 |
12 | 4ab12396583220 |
13 | 1972027099c8b7 |
14 | 93a47cc61cc64 |
15 | 40b155ec436bc |
hex | 1ddd4bf2ab978 |
525380786764152 has 128 divisors (see below), whose sum is σ = 1508510194790400. Its totient is φ = 150803020771200.
The previous prime is 525380786764151. The next prime is 525380786764187. The reversal of 525380786764152 is 251467687083525.
It is a super-2 number, since 2×5253807867641522 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (525380786764151) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23205627 + ... + 39865557.
It is an arithmetic number, because the mean of its divisors is an integer number (11785235896800).
Almost surely, 2525380786764152 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 525380786764152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754255097395200).
525380786764152 is an abundant number, since it is smaller than the sum of its proper divisors (983129408026248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
525380786764152 is a wasteful number, since it uses less digits than its factorization.
525380786764152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16666257 (or 16666253 counting only the distinct ones).
The product of its (nonzero) digits is 677376000, while the sum is 69.
The spelling of 525380786764152 in words is "five hundred twenty-five trillion, three hundred eighty billion, seven hundred eighty-six million, seven hundred sixty-four thousand, one hundred fifty-two".
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