Base | Representation |
---|---|
bin | 100111010000100101… |
… | …010100101001100101 |
3 | 11000210210110201110101 |
4 | 213100211110221211 |
5 | 1142312430304001 |
6 | 31210525424101 |
7 | 3021422236651 |
oct | 472045245145 |
9 | 130723421411 |
10 | 42154150501 |
11 | 16971a12211 |
12 | 820540b031 |
13 | 3c8a44ca28 |
14 | 207c711a61 |
15 | 116ab98a01 |
hex | 9d0954a65 |
42154150501 has 2 divisors, whose sum is σ = 42154150502. Its totient is φ = 42154150500.
The previous prime is 42154150471. The next prime is 42154150523. The reversal of 42154150501 is 10505145124.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26462830276 + 15691320225 = 162674^2 + 125265^2 .
It is a cyclic number.
It is not a de Polignac number, because 42154150501 - 25 = 42154150469 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 42154150501.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42154150001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077075250 + 21077075251.
It is an arithmetic number, because the mean of its divisors is an integer number (21077075251).
Almost surely, 242154150501 is an apocalyptic number.
It is an amenable number.
42154150501 is a deficient number, since it is larger than the sum of its proper divisors (1).
42154150501 is an equidigital number, since it uses as much as digits as its factorization.
42154150501 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4000, while the sum is 28.
Adding to 42154150501 its reverse (10505145124), we get a palindrome (52659295625).
The spelling of 42154150501 in words is "forty-two billion, one hundred fifty-four million, one hundred fifty thousand, five hundred one".
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