Base | Representation |
---|---|
bin | 101010010001011… |
… | …0001000110011011 |
3 | 10122211222012020002 |
4 | 1110202301012123 |
5 | 10401102301110 |
6 | 352425123215 |
7 | 50102126264 |
oct | 12442610633 |
9 | 3584865202 |
10 | 1418400155 |
11 | 668717037 |
12 | 33702950b |
13 | 197b21943 |
14 | d654196b |
15 | 847cbaa5 |
hex | 548b119b |
1418400155 has 8 divisors (see below), whose sum is σ = 1702706784. Its totient is φ = 1134302400.
The previous prime is 1418400149. The next prime is 1418400167. The reversal of 1418400155 is 5510048141.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-1418400155 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36866 + ... + 64775.
It is an arithmetic number, because the mean of its divisors is an integer number (212838348).
Almost surely, 21418400155 is an apocalyptic number.
1418400155 is a deficient number, since it is larger than the sum of its proper divisors (284306629).
1418400155 is a wasteful number, since it uses less digits than its factorization.
1418400155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104437.
The product of its (nonzero) digits is 3200, while the sum is 29.
The square root of 1418400155 is about 37661.6536413366. The cubic root of 1418400155 is about 1123.5685906924.
Adding to 1418400155 its reverse (5510048141), we get a palindrome (6928448296).
The spelling of 1418400155 in words is "one billion, four hundred eighteen million, four hundred thousand, one hundred fifty-five".
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