Base | Representation |
---|---|
bin | 1000111111100110111… |
… | …0000000010011101001 |
3 | 112202211022022010101000 |
4 | 2033321232000103221 |
5 | 10012420420121100 |
6 | 154552115145213 |
7 | 14106662405235 |
oct | 2177156002351 |
9 | 482738263330 |
10 | 154513442025 |
11 | 5a58a89aa28 |
12 | 25b422a5209 |
13 | 11755681407 |
14 | 769ad995c5 |
15 | 4044e75900 |
hex | 23f9b804e9 |
154513442025 has 96 divisors (see below), whose sum is σ = 293963328000. Its totient is φ = 79476526080.
The previous prime is 154513442003. The next prime is 154513442029. The reversal of 154513442025 is 520244315451.
154513442025 is a `hidden beast` number, since 154 + 51 + 34 + 420 + 2 + 5 = 666.
154513442025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 154513442025 - 28 = 154513441769 is a prime.
It is a super-2 number, since 2×1545134420252 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (154513442029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19747264 + ... + 19755086.
It is an arithmetic number, because the mean of its divisors is an integer number (3062118000).
Almost surely, 2154513442025 is an apocalyptic number.
154513442025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
154513442025 is a deficient number, since it is larger than the sum of its proper divisors (139449885975).
154513442025 is a wasteful number, since it uses less digits than its factorization.
154513442025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8880 (or 8869 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 36.
Adding to 154513442025 its reverse (520244315451), we get a palindrome (674757757476).
The spelling of 154513442025 in words is "one hundred fifty-four billion, five hundred thirteen million, four hundred forty-two thousand, twenty-five".
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