Base | Representation |
---|---|
bin | 11000010011001010… |
… | …01011001101000010 |
3 | 1020200011200021120210 |
4 | 30021211023031002 |
5 | 203204141021200 |
6 | 5554301214550 |
7 | 641166061560 |
oct | 141145131502 |
9 | 36604607523 |
10 | 13045642050 |
11 | 5594a19a61 |
12 | 2640b61456 |
13 | 12cb99262c |
14 | 8ba84aa30 |
15 | 51546a650 |
hex | 30994b342 |
13045642050 has 96 divisors (see below), whose sum is σ = 36997632000. Its totient is φ = 2980042560.
The previous prime is 13045642037. The next prime is 13045642061. The reversal of 13045642050 is 5024654031.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 13045641999 and 13045642017.
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, 2516361 + ... + 2521539.
It is an arithmetic number, because the mean of its divisors is an integer number (385392000).
Almost surely, 213045642050 is an apocalyptic number.
13045642050 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 13045642050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18498816000).
13045642050 is an abundant number, since it is smaller than the sum of its proper divisors (23951989950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13045642050 is a wasteful number, since it uses less digits than its factorization.
13045642050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7600 (or 7595 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The spelling of 13045642050 in words is "thirteen billion, forty-five million, six hundred forty-two thousand, fifty".
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