Base | Representation |
---|---|
bin | 10010000101111… |
… | …00101111010010 |
3 | 101120120121120201 |
4 | 21002330233102 |
5 | 302323034033 |
6 | 23020525414 |
7 | 3522002233 |
oct | 1102745722 |
9 | 346517521 |
10 | 151768018 |
11 | 7873a616 |
12 | 429b086a |
13 | 2559a87c |
14 | 1622908a |
15 | d4cd47d |
hex | 90bcbd2 |
151768018 has 8 divisors (see below), whose sum is σ = 228062412. Its totient is φ = 75747216.
The previous prime is 151768013. The next prime is 151768037. The reversal of 151768018 is 810867151.
151768018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 142014889 + 9753129 = 11917^2 + 3123^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (151768013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67005 + ... + 69232.
Almost surely, 2151768018 is an apocalyptic number.
151768018 is a deficient number, since it is larger than the sum of its proper divisors (76294394).
151768018 is a wasteful number, since it uses less digits than its factorization.
151768018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136796.
The product of its (nonzero) digits is 13440, while the sum is 37.
The square root of 151768018 is about 12319.4163011078. The cubic root of 151768018 is about 533.4086910011.
The spelling of 151768018 in words is "one hundred fifty-one million, seven hundred sixty-eight thousand, eighteen".
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