Base | Representation |
---|---|
bin | 101010010001011… |
… | …0001000110011101 |
3 | 10122211222012020011 |
4 | 1110202301012131 |
5 | 10401102301112 |
6 | 352425123221 |
7 | 50102126266 |
oct | 12442610635 |
9 | 3584865204 |
10 | 1418400157 |
11 | 668717039 |
12 | 337029511 |
13 | 197b21945 |
14 | d654196d |
15 | 847cbaa7 |
hex | 548b119d |
1418400157 has 8 divisors (see below), whose sum is σ = 1439767872. Its totient is φ = 1397071200.
The previous prime is 1418400149. The next prime is 1418400167. The reversal of 1418400157 is 7510048141.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1418400157 - 23 = 1418400149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1418400167) 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, 68782 + ... + 86992.
It is an arithmetic number, because the mean of its divisors is an integer number (179970984).
Almost surely, 21418400157 is an apocalyptic number.
It is an amenable number.
1418400157 is a deficient number, since it is larger than the sum of its proper divisors (21367715).
1418400157 is a wasteful number, since it uses less digits than its factorization.
1418400157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19379.
The product of its (nonzero) digits is 4480, while the sum is 31.
The square root of 1418400157 is about 37661.6536678888. The cubic root of 1418400157 is about 1123.5685912205.
Adding to 1418400157 its reverse (7510048141), we get a palindrome (8928448298).
The spelling of 1418400157 in words is "one billion, four hundred eighteen million, four hundred thousand, one hundred fifty-seven".
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