Base | Representation |
---|---|
bin | 11100011110110000… |
… | …10000001001101101 |
3 | 1110110121120212111120 |
4 | 32033120100021231 |
5 | 222303320321024 |
6 | 11005130211153 |
7 | 1050624160464 |
oct | 161730201155 |
9 | 43417525446 |
10 | 15290401389 |
11 | 653703a96a |
12 | 2b68883ab9 |
13 | 1598a65bb3 |
14 | a50a199db |
15 | 5e7579479 |
hex | 38f61026d |
15290401389 has 8 divisors (see below), whose sum is σ = 20389492992. Its totient is φ = 10192455360.
The previous prime is 15290401361. The next prime is 15290401391. The reversal of 15290401389 is 98310409251.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 15290401389 - 29 = 15290400877 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 15290401389.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15290481389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254749 + ... + 308994.
It is an arithmetic number, because the mean of its divisors is an integer number (2548686624).
Almost surely, 215290401389 is an apocalyptic number.
It is an amenable number.
15290401389 is a deficient number, since it is larger than the sum of its proper divisors (5099091603).
15290401389 is an equidigital number, since it uses as much as digits as its factorization.
15290401389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572787.
The product of its (nonzero) digits is 77760, while the sum is 42.
The spelling of 15290401389 in words is "fifteen billion, two hundred ninety million, four hundred one thousand, three hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •