Base | Representation |
---|---|
bin | 11100101011110101… |
… | …10001101101010110 |
3 | 1110202021000220022202 |
4 | 32111322301231112 |
5 | 223014412140110 |
6 | 11024045524502 |
7 | 1053425550356 |
oct | 162572615526 |
9 | 43667026282 |
10 | 15400115030 |
11 | 6592a663a3 |
12 | 2b99573732 |
13 | 15b56cab01 |
14 | a61418b66 |
15 | 601eec0a5 |
hex | 395eb1b56 |
15400115030 has 64 divisors (see below), whose sum is σ = 30087763200. Its totient is φ = 5656210560.
The previous prime is 15400114999. The next prime is 15400115033. The reversal of 15400115030 is 3051100451.
It is a junction number, because it is equal to n+sod(n) for n = 15400114993 and 15400115011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15400115033) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1063076 + ... + 1077464.
It is an arithmetic number, because the mean of its divisors is an integer number (470121300).
Almost surely, 215400115030 is an apocalyptic number.
15400115030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15400115030 is a deficient number, since it is larger than the sum of its proper divisors (14687648170).
15400115030 is a wasteful number, since it uses less digits than its factorization.
15400115030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14589.
The product of its (nonzero) digits is 300, while the sum is 20.
Adding to 15400115030 its reverse (3051100451), we get a palindrome (18451215481).
The spelling of 15400115030 in words is "fifteen billion, four hundred million, one hundred fifteen thousand, thirty".
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