Base | Representation |
---|---|
bin | 10001011101001000… |
… | …000100110010110110 |
3 | 1210101011212211000100 |
4 | 101131020010302312 |
5 | 301341010021222 |
6 | 12335435454530 |
7 | 1232310433011 |
oct | 213510046266 |
9 | 53334784010 |
10 | 18742267062 |
11 | 7a48580712 |
12 | 37708b7446 |
13 | 19c8c4b36c |
14 | c9b248378 |
15 | 74a6294ac |
hex | 45d204cb6 |
18742267062 has 24 divisors (see below), whose sum is σ = 40928000256. Its totient is φ = 6198229296.
The previous prime is 18742267051. The next prime is 18742267067. The reversal of 18742267062 is 26076224781.
It is a happy number.
It is a super-2 number, since 2×187422670622 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 18742266999 and 18742267017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18742267067) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4097073 + ... + 4101644.
It is an arithmetic number, because the mean of its divisors is an integer number (1705333344).
Almost surely, 218742267062 is an apocalyptic number.
18742267062 is an abundant number, since it is smaller than the sum of its proper divisors (22185733194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18742267062 is a wasteful number, since it uses less digits than its factorization.
18742267062 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8198852 (or 8198849 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 45.
The spelling of 18742267062 in words is "eighteen billion, seven hundred forty-two million, two hundred sixty-seven thousand, sixty-two".
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