Base | Representation |
---|---|
bin | 11101111110010010… |
… | …11001010110000010 |
3 | 1112112110120210220100 |
4 | 32333021121112002 |
5 | 230424001011000 |
6 | 11220435223230 |
7 | 1106525104302 |
oct | 167711312602 |
9 | 45473523810 |
10 | 16091813250 |
11 | 6908455517 |
12 | 3151147b16 |
13 | 1695ac15b6 |
14 | ac9231602 |
15 | 642acea00 |
hex | 3bf259582 |
16091813250 has 384 divisors, whose sum is σ = 48865130496. Its totient is φ = 3801600000.
The previous prime is 16091813197. The next prime is 16091813261. The reversal of 16091813250 is 5231819061.
16091813250 is a `hidden beast` number, since 1 + 609 + 18 + 1 + 32 + 5 + 0 = 666.
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, 48615585 + ... + 48615915.
It is an arithmetic number, because the mean of its divisors is an integer number (127252944).
Almost surely, 216091813250 is an apocalyptic number.
16091813250 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 16091813250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24432565248).
16091813250 is an abundant number, since it is smaller than the sum of its proper divisors (32773317246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16091813250 is a wasteful number, since it uses less digits than its factorization.
16091813250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 443 (or 430 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 36.
The spelling of 16091813250 in words is "sixteen billion, ninety-one million, eight hundred thirteen thousand, two hundred fifty".
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