Base | Representation |
---|---|
bin | 101010000110100000… |
… | …0001000000001010001 |
3 | 22122100222222022222120 |
4 | 1110031000020001101 |
5 | 2440131041343443 |
6 | 105311312324453 |
7 | 6350335100214 |
oct | 1241500100121 |
9 | 278328868876 |
10 | 90412449873 |
11 | 3538651a859 |
12 | 15632b43729 |
13 | 86ab402565 |
14 | 45399c377b |
15 | 254269e083 |
hex | 150d008051 |
90412449873 has 16 divisors (see below), whose sum is σ = 120886025472. Its totient is φ = 60107040000.
The previous prime is 90412449833. The next prime is 90412449947. The reversal of 90412449873 is 37894421409.
It is not a de Polignac number, because 90412449873 - 224 = 90395672657 is a prime.
It is a super-2 number, since 2×904124498732 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (90412449833) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3360073 + ... + 3386873.
It is an arithmetic number, because the mean of its divisors is an integer number (7555376592).
Almost surely, 290412449873 is an apocalyptic number.
It is an amenable number.
90412449873 is a deficient number, since it is larger than the sum of its proper divisors (30473575599).
90412449873 is a wasteful number, since it uses less digits than its factorization.
90412449873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29896.
The product of its (nonzero) digits is 1741824, while the sum is 51.
The spelling of 90412449873 in words is "ninety billion, four hundred twelve million, four hundred forty-nine thousand, eight hundred seventy-three".
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