Base | Representation |
---|---|
bin | 1011110010000001… |
… | …00111100011000100 |
3 | 121022210221001101012 |
4 | 11321000213203010 |
5 | 100423221004140 |
6 | 2523350221352 |
7 | 312513035630 |
oct | 57100474304 |
9 | 17283831335 |
10 | 6325172420 |
11 | 2756438726 |
12 | 1286354858 |
13 | 79a56b398 |
14 | 440095dc0 |
15 | 27046a265 |
hex | 1790278c4 |
6325172420 has 96 divisors (see below), whose sum is σ = 15699640320. Its totient is φ = 2094721920.
The previous prime is 6325172323. The next prime is 6325172437. The reversal of 6325172420 is 242715236.
It is a super-2 number, since 2×63251724202 = 80015612285457312800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3119447 + ... + 3121473.
It is an arithmetic number, because the mean of its divisors is an integer number (163537920).
Almost surely, 26325172420 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 6325172420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7849820160).
6325172420 is an abundant number, since it is smaller than the sum of its proper divisors (9374467900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6325172420 is a wasteful number, since it uses less digits than its factorization.
6325172420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2793 (or 2791 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 32.
The square root of 6325172420 is about 79530.9525907995. The cubic root of 6325172420 is about 1849.3713393533.
Adding to 6325172420 its reverse (242715236), we get a palindrome (6567887656).
The spelling of 6325172420 in words is "six billion, three hundred twenty-five million, one hundred seventy-two thousand, four hundred twenty".
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