Base | Representation |
---|---|
bin | 1111010010101000101… |
… | …11100011010000110000 |
3 | 1212020011010120002100201 |
4 | 13221110113203100300 |
5 | 32102010234020000 |
6 | 1041211024524544 |
7 | 52646636544241 |
oct | 7512427432060 |
9 | 1766133502321 |
10 | 525401470000 |
11 | 192904483910 |
12 | 859aba80754 |
13 | 3a7118bb9b4 |
14 | 1b602a34cc8 |
15 | da00ba996a |
hex | 7a545e3430 |
525401470000 has 400 divisors, whose sum is σ = 1437387313824. Its totient is φ = 184320000000.
The previous prime is 525401469977. The next prime is 525401470021. The reversal of 525401470000 is 74104525.
It is a tau number, because it is divible by the number of its divisors (400).
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 437469400 + ... + 437470600.
Almost surely, 2525401470000 is an apocalyptic number.
525401470000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 525401470000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718693656912).
525401470000 is an abundant number, since it is smaller than the sum of its proper divisors (911985843824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
525401470000 is a wasteful number, since it uses less digits than its factorization.
525401470000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1378 (or 1357 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 28.
Adding to 525401470000 its reverse (74104525), we get a palindrome (525475574525).
The spelling of 525401470000 in words is "five hundred twenty-five billion, four hundred one million, four hundred seventy thousand".
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