Base | Representation |
---|---|
bin | 10010101010100001… |
… | …111001000100100001 |
3 | 1220201200110012122021 |
4 | 102222201321010201 |
5 | 312020431133132 |
6 | 13112345341441 |
7 | 1306426446535 |
oct | 225241710441 |
9 | 56650405567 |
10 | 20040880417 |
11 | 8554611098 |
12 | 3a73797881 |
13 | 1b74cbc12c |
14 | d818c7bc5 |
15 | 7c4643997 |
hex | 4aa879121 |
20040880417 has 8 divisors (see below), whose sum is σ = 20481117696. Its totient is φ = 19601219712.
The previous prime is 20040880393. The next prime is 20040880451. The reversal of 20040880417 is 71408804002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20040880417 - 227 = 19906662689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20040883417) 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, 73488 + ... + 213265.
It is an arithmetic number, because the mean of its divisors is an integer number (2560139712).
Almost surely, 220040880417 is an apocalyptic number.
It is an amenable number.
20040880417 is a deficient number, since it is larger than the sum of its proper divisors (440237279).
20040880417 is a wasteful number, since it uses less digits than its factorization.
20040880417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288287.
The product of its (nonzero) digits is 14336, while the sum is 34.
The spelling of 20040880417 in words is "twenty billion, forty million, eight hundred eighty thousand, four hundred seventeen".
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