Base | Representation |
---|---|
bin | 10011100101101100… |
… | …101010111111101100 |
3 | 2000021212100122220020 |
4 | 103211230222333230 |
5 | 321034042441332 |
6 | 13355050122140 |
7 | 1343142220314 |
oct | 234554527754 |
9 | 60255318806 |
10 | 21033562092 |
11 | 8a13996574 |
12 | 40b0120350 |
13 | 1ca286623a |
14 | 103768c444 |
15 | 83187b82c |
hex | 4e5b2afec |
21033562092 has 48 divisors (see below), whose sum is σ = 49253387904. Its totient is φ = 6986224000.
The previous prime is 21033562079. The next prime is 21033562097. The reversal of 21033562092 is 29026533012.
It is not an unprimeable number, because it can be changed into a prime (21033562097) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4481467 + ... + 4486157.
It is an arithmetic number, because the mean of its divisors is an integer number (1026112248).
Almost surely, 221033562092 is an apocalyptic number.
It is an amenable number.
21033562092 is an abundant number, since it is smaller than the sum of its proper divisors (28219825812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21033562092 is a wasteful number, since it uses less digits than its factorization.
21033562092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5950 (or 5948 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 33.
The spelling of 21033562092 in words is "twenty-one billion, thirty-three million, five hundred sixty-two thousand, ninety-two".
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