Base | Representation |
---|---|
bin | 1000111110111110000… |
… | …0100011000101111011 |
3 | 112202101100222012100220 |
4 | 2033233200203011323 |
5 | 10012043042023311 |
6 | 154523115431123 |
7 | 14102512364226 |
oct | 2175740430573 |
9 | 482340865326 |
10 | 154342142331 |
11 | 5a50212aa33 |
12 | 25ab4a554a3 |
13 | 11729035650 |
14 | 76823285bd |
15 | 4034dda206 |
hex | 23ef82317b |
154342142331 has 64 divisors (see below), whose sum is σ = 242275622400. Its totient is φ = 86536912896.
The previous prime is 154342142309. The next prime is 154342142341. The reversal of 154342142331 is 133241243451.
It is not a de Polignac number, because 154342142331 - 214 = 154342125947 is a prime.
It is a super-2 number, since 2×1543421423312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 154342142292 and 154342142301.
It is not an unprimeable number, because it can be changed into a prime (154342142341) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5508700 + ... + 5536646.
It is an arithmetic number, because the mean of its divisors is an integer number (3785556600).
Almost surely, 2154342142331 is an apocalyptic number.
154342142331 is a deficient number, since it is larger than the sum of its proper divisors (87933480069).
154342142331 is a wasteful number, since it uses less digits than its factorization.
154342142331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28268.
The product of its digits is 34560, while the sum is 33.
Adding to 154342142331 its reverse (133241243451), we get a palindrome (287583385782).
The spelling of 154342142331 in words is "one hundred fifty-four billion, three hundred forty-two million, one hundred forty-two thousand, three hundred thirty-one".
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