Base | Representation |
---|---|
bin | 10011000100001000… |
… | …100101010011100100 |
3 | 1221211121202210002120 |
4 | 103010020211103210 |
5 | 313410414002401 |
6 | 13223132505540 |
7 | 1323163661244 |
oct | 230410452344 |
9 | 57747683076 |
10 | 20470453476 |
11 | 8755045750 |
12 | 3b7361b2b0 |
13 | 1c12cb6285 |
14 | dc2989b24 |
15 | 7ec1e9836 |
hex | 4c42254e4 |
20470453476 has 48 divisors (see below), whose sum is σ = 52185661248. Its totient is φ = 6193756800.
The previous prime is 20470453441. The next prime is 20470453477. The reversal of 20470453476 is 67435407402.
It is not an unprimeable number, because it can be changed into a prime (20470453477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30055 + ... + 204558.
It is an arithmetic number, because the mean of its divisors is an integer number (1087201276).
Almost surely, 220470453476 is an apocalyptic number.
It is an amenable number.
20470453476 is an abundant number, since it is smaller than the sum of its proper divisors (31715207772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20470453476 is a wasteful number, since it uses less digits than its factorization.
20470453476 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 235292 (or 235290 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 42.
The spelling of 20470453476 in words is "twenty billion, four hundred seventy million, four hundred fifty-three thousand, four hundred seventy-six".
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