Base | Representation |
---|---|
bin | 10011010111000111… |
… | …011101101110110011 |
3 | 1222122211000221012111 |
4 | 103113013131232303 |
5 | 320033431134121 |
6 | 13314510510151 |
7 | 1334111652550 |
oct | 232707355663 |
9 | 58584027174 |
10 | 20788927411 |
11 | 88a889794a |
12 | 4042205357 |
13 | 1c63c819a5 |
14 | 1012daba27 |
15 | 81a1572e1 |
hex | 4d71ddbb3 |
20788927411 has 32 divisors (see below), whose sum is σ = 25874767872. Its totient is φ = 16293312000.
The previous prime is 20788927409. The next prime is 20788927427. The reversal of 20788927411 is 11472988702.
It is not a de Polignac number, because 20788927411 - 21 = 20788927409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20788922411) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3303510 + ... + 3309796.
It is an arithmetic number, because the mean of its divisors is an integer number (808586496).
Almost surely, 220788927411 is an apocalyptic number.
20788927411 is a deficient number, since it is larger than the sum of its proper divisors (5085840461).
20788927411 is a wasteful number, since it uses less digits than its factorization.
20788927411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7099.
The product of its (nonzero) digits is 451584, while the sum is 49.
The spelling of 20788927411 in words is "twenty billion, seven hundred eighty-eight million, nine hundred twenty-seven thousand, four hundred eleven".
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