Base | Representation |
---|---|
bin | 1111010001111011111… |
… | …00100000000000110100 |
3 | 1212012011220200122202200 |
4 | 13220331330200000310 |
5 | 32100222432430202 |
6 | 1041105425504500 |
7 | 52634421150450 |
oct | 7507574400064 |
9 | 1765156618680 |
10 | 525025280052 |
11 | 1927310a0829 |
12 | 85905aa2130 |
13 | 3a681995ab0 |
14 | 1b5a8aab660 |
15 | d9ccb4ae1c |
hex | 7a3df20034 |
525025280052 has 144 divisors (see below), whose sum is σ = 1655788243200. Its totient is φ = 136571318784.
The previous prime is 525025280011. The next prime is 525025280077. The reversal of 525025280052 is 250082520525.
525025280052 is a `hidden beast` number, since 52 + 502 + 52 + 8 + 0 + 0 + 52 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 525025279989 and 525025280016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 858552 + ... + 1336847.
Almost surely, 2525025280052 is an apocalyptic number.
525025280052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
525025280052 is an abundant number, since it is smaller than the sum of its proper divisors (1130762963148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
525025280052 is a wasteful number, since it uses less digits than its factorization.
525025280052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2195502 (or 2195497 counting only the distinct ones).
The product of its (nonzero) digits is 80000, while the sum is 36.
The spelling of 525025280052 in words is "five hundred twenty-five billion, twenty-five million, two hundred eighty thousand, fifty-two".
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