Base | Representation |
---|---|
bin | 11100010110101000… |
… | …01011010010110110 |
3 | 1110021212022002210002 |
4 | 32023110023102312 |
5 | 222133342132204 |
6 | 10554253031302 |
7 | 1046135524652 |
oct | 161324132266 |
9 | 43255262702 |
10 | 15222224054 |
11 | 6501604264 |
12 | 2b49a85532 |
13 | 15878b4b8b |
14 | a4594da62 |
15 | 5e15ad91e |
hex | 38b50b4b6 |
15222224054 has 4 divisors (see below), whose sum is σ = 22833336084. Its totient is φ = 7611112026.
The previous prime is 15222224051. The next prime is 15222224071. The reversal of 15222224054 is 45042222251.
It is a happy number.
15222224054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45042222251 = 13 ⋅3464786327.
It is a super-2 number, since 2×152222240542 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15222224051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3805556012 + ... + 3805556015.
It is an arithmetic number, because the mean of its divisors is an integer number (5708334021).
Almost surely, 215222224054 is an apocalyptic number.
15222224054 is a deficient number, since it is larger than the sum of its proper divisors (7611112030).
15222224054 is an equidigital number, since it uses as much as digits as its factorization.
15222224054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7611112029.
The product of its (nonzero) digits is 12800, while the sum is 29.
The spelling of 15222224054 in words is "fifteen billion, two hundred twenty-two million, two hundred twenty-four thousand, fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •