Base | Representation |
---|---|
bin | 10010000010010… |
… | …00001111110101 |
3 | 101112200101001112 |
4 | 21001020033311 |
5 | 302212301434 |
6 | 23002404405 |
7 | 3514644152 |
oct | 1101101765 |
9 | 345611045 |
10 | 151290869 |
11 | 78444084 |
12 | 42800705 |
13 | 25461632 |
14 | 16143229 |
15 | d436dce |
hex | 90483f5 |
151290869 has 2 divisors, whose sum is σ = 151290870. Its totient is φ = 151290868.
The previous prime is 151290793. The next prime is 151290877. The reversal of 151290869 is 968092151.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 101404900 + 49885969 = 10070^2 + 7063^2 .
It is a cyclic number.
It is not a de Polignac number, because 151290869 - 224 = 134513653 is a prime.
It is a super-2 number, since 2×1512908692 = 45777854085550322, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (151296869) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75645434 + 75645435.
It is an arithmetic number, because the mean of its divisors is an integer number (75645435).
Almost surely, 2151290869 is an apocalyptic number.
It is an amenable number.
151290869 is a deficient number, since it is larger than the sum of its proper divisors (1).
151290869 is an equidigital number, since it uses as much as digits as its factorization.
151290869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 38880, while the sum is 41.
The square root of 151290869 is about 12300.0353251525. The cubic root of 151290869 is about 532.8491031501.
The spelling of 151290869 in words is "one hundred fifty-one million, two hundred ninety thousand, eight hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •