Base | Representation |
---|---|
bin | 11100101101011001… |
… | …10001001110000111 |
3 | 1110210011200201021120 |
4 | 32112230301032013 |
5 | 223031241021411 |
6 | 11025234445023 |
7 | 1053645132063 |
oct | 162654611607 |
9 | 43704621246 |
10 | 15413220231 |
11 | 659a3a7542 |
12 | 2ba1a33773 |
13 | 15b8338b76 |
14 | a6306aaa3 |
15 | 60323a106 |
hex | 396b31387 |
15413220231 has 8 divisors (see below), whose sum is σ = 20565408000. Its totient is φ = 10268256312.
The previous prime is 15413220217. The next prime is 15413220271. The reversal of 15413220231 is 13202231451.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 15413220231 - 26 = 15413220167 is a prime.
It is a super-2 number, since 2×154132202312 (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 (15413220271) 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, 1800981 + ... + 1809518.
It is an arithmetic number, because the mean of its divisors is an integer number (2570676000).
Almost surely, 215413220231 is an apocalyptic number.
15413220231 is a deficient number, since it is larger than the sum of its proper divisors (5152187769).
15413220231 is a wasteful number, since it uses less digits than its factorization.
15413220231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3611925.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 15413220231 its reverse (13202231451), we get a palindrome (28615451682).
The spelling of 15413220231 in words is "fifteen billion, four hundred thirteen million, two hundred twenty thousand, two hundred thirty-one".
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