Base | Representation |
---|---|
bin | 10010101011000100… |
… | …000110111110100000 |
3 | 1220202022022220222010 |
4 | 102223010012332200 |
5 | 312030230202042 |
6 | 13113305512520 |
7 | 1306565625654 |
oct | 225304067640 |
9 | 56668286863 |
10 | 20049850272 |
11 | 85596882a1 |
12 | 3a767a2740 |
13 | 1b76b0cb3a |
14 | d82b80a64 |
15 | 7c531659c |
hex | 4ab106fa0 |
20049850272 has 24 divisors (see below), whose sum is σ = 52630857216. Its totient is φ = 6683283392.
The previous prime is 20049850243. The next prime is 20049850291. The reversal of 20049850272 is 27205894002.
It is a tau number, because it is divible by the number of its divisors (24).
It is a self number, because there is not a number n which added to its sum of digits gives 20049850272.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104426208 + ... + 104426399.
It is an arithmetic number, because the mean of its divisors is an integer number (2192952384).
Almost surely, 220049850272 is an apocalyptic number.
It is an amenable number.
20049850272 is an abundant number, since it is smaller than the sum of its proper divisors (32581006944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20049850272 is a wasteful number, since it uses less digits than its factorization.
20049850272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208852620 (or 208852612 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The spelling of 20049850272 in words is "twenty billion, forty-nine million, eight hundred fifty thousand, two hundred seventy-two".
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