Base | Representation |
---|---|
bin | 10011000101000000… |
… | …100100111101000000 |
3 | 1221212122101112101011 |
4 | 103011000210331000 |
5 | 313423143211341 |
6 | 13224415250304 |
7 | 1323432515122 |
oct | 230500447500 |
9 | 57778345334 |
10 | 20485132096 |
11 | 8762360a40 |
12 | 3b78519994 |
13 | 1c16055550 |
14 | dc48cb212 |
15 | 7ed648b81 |
hex | 4c5024f40 |
20485132096 has 56 divisors (see below), whose sum is σ = 47756880864. Its totient is φ = 8595156480.
The previous prime is 20485132081. The next prime is 20485132097. The reversal of 20485132096 is 69023158402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20485132097) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110010 + ... + 1128313.
It is an arithmetic number, because the mean of its divisors is an integer number (852801444).
Almost surely, 220485132096 is an apocalyptic number.
20485132096 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
20485132096 is an abundant number, since it is smaller than the sum of its proper divisors (27271748768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20485132096 is a wasteful number, since it uses less digits than its factorization.
20485132096 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2238359 (or 2238349 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 40.
The spelling of 20485132096 in words is "twenty billion, four hundred eighty-five million, one hundred thirty-two thousand, ninety-six".
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