Base | Representation |
---|---|
bin | 10011111111000111… |
… | …100001101011011011 |
3 | 2001101120211120221010 |
4 | 103333013201223123 |
5 | 322422232012334 |
6 | 13505242545003 |
7 | 1356541156413 |
oct | 237707415333 |
9 | 61346746833 |
10 | 21460032219 |
11 | 91126a091a |
12 | 41aab08163 |
13 | 2040014c22 |
14 | 1078183643 |
15 | 85901d0e9 |
hex | 4ff1e1adb |
21460032219 has 16 divisors (see below), whose sum is σ = 29813011200. Its totient is φ = 13713969696.
The previous prime is 21460032133. The next prime is 21460032233. The reversal of 21460032219 is 91223006412.
It is not a de Polignac number, because 21460032219 - 27 = 21460032091 is a prime.
It is a super-2 number, since 2×214600322192 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (21460032289) 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, 875199 + ... + 899384.
It is an arithmetic number, because the mean of its divisors is an integer number (1863313200).
Almost surely, 221460032219 is an apocalyptic number.
21460032219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
21460032219 is a deficient number, since it is larger than the sum of its proper divisors (8352978981).
21460032219 is a wasteful number, since it uses less digits than its factorization.
21460032219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1774754.
The product of its (nonzero) digits is 5184, while the sum is 30.
The spelling of 21460032219 in words is "twenty-one billion, four hundred sixty million, thirty-two thousand, two hundred nineteen".
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