Base | Representation |
---|---|
bin | 11100101011111101… |
… | …01100100001001001 |
3 | 1110202022222002112110 |
4 | 32111332230201021 |
5 | 223020143023340 |
6 | 11024123532533 |
7 | 1053440356431 |
oct | 162576544111 |
9 | 43668862473 |
10 | 15401142345 |
11 | 65935a8216 |
12 | 2b9998a149 |
13 | 15b599a5a4 |
14 | a616052c1 |
15 | 602151680 |
hex | 395fac849 |
15401142345 has 16 divisors (see below), whose sum is σ = 24769510272. Its totient is φ = 8171381760.
The previous prime is 15401142329. The next prime is 15401142347. The reversal of 15401142345 is 54324110451.
It is not a de Polignac number, because 15401142345 - 24 = 15401142329 is a prime.
It is not an unprimeable number, because it can be changed into a prime (15401142347) 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, 2657061 + ... + 2662850.
It is an arithmetic number, because the mean of its divisors is an integer number (1548094392).
Almost surely, 215401142345 is an apocalyptic number.
15401142345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
15401142345 is a deficient number, since it is larger than the sum of its proper divisors (9368367927).
15401142345 is a wasteful number, since it uses less digits than its factorization.
15401142345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5320112.
The product of its (nonzero) digits is 9600, while the sum is 30.
Adding to 15401142345 its reverse (54324110451), we get a palindrome (69725252796).
The spelling of 15401142345 in words is "fifteen billion, four hundred one million, one hundred forty-two thousand, three hundred forty-five".
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