Base | Representation |
---|---|
bin | 10010111110010100… |
… | …01101110001001110 |
3 | 222021220121011122000 |
4 | 21133022031301032 |
5 | 131330212313300 |
6 | 4402442533130 |
7 | 510300243660 |
oct | 113712156116 |
9 | 28256534560 |
10 | 10186447950 |
11 | 4357a91128 |
12 | 1b835071a6 |
13 | c6450b1c3 |
14 | 6c8c18530 |
15 | 3e943bc00 |
hex | 25f28dc4e |
10186447950 has 384 divisors, whose sum is σ = 33477857280. Its totient is φ = 2229120000.
The previous prime is 10186447949. The next prime is 10186448003. The reversal of 10186447950 is 5974468101.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 10186447896 and 10186447905.
It is a congruent number.
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, 23634235 + ... + 23634665.
It is an arithmetic number, because the mean of its divisors is an integer number (87181920).
Almost surely, 210186447950 is an apocalyptic number.
10186447950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 10186447950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16738928640).
10186447950 is an abundant number, since it is smaller than the sum of its proper divisors (23291409330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10186447950 is a wasteful number, since it uses less digits than its factorization.
10186447950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 561 (or 550 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The spelling of 10186447950 in words is "ten billion, one hundred eighty-six million, four hundred forty-seven thousand, nine hundred fifty".
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