Base | Representation |
---|---|
bin | 100011001000010010011110… |
… | …101001011101111000010011 |
3 | 202021001011200000212221211102 |
4 | 203020102132221131320103 |
5 | 130222322002130222011 |
6 | 1304332514422335015 |
7 | 44354226251055515 |
oct | 4310223651357023 |
9 | 667034600787742 |
10 | 154501225242131 |
11 | 452576688a0929 |
12 | 153b345788a46b |
13 | 68295315a4051 |
14 | 2a21c8359dbb5 |
15 | 12cdde889273b |
hex | 8c849ea5de13 |
154501225242131 has 6 divisors (see below), whose sum is σ = 158177836336860. Its totient is φ = 150908173490508.
The previous prime is 154501225242103. The next prime is 154501225242151. The reversal of 154501225242131 is 131242522105451.
It is not a de Polignac number, because 154501225242131 - 222 = 154501221047827 is a prime.
It is a super-2 number, since 2×1545012252421312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (154501225242151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41779669661 + ... + 41779673358.
It is an arithmetic number, because the mean of its divisors is an integer number (26362972722810).
Almost surely, 2154501225242131 is an apocalyptic number.
154501225242131 is a deficient number, since it is larger than the sum of its proper divisors (3676611094729).
154501225242131 is an frugal number, since it uses more digits than its factorization.
154501225242131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83559343105 (or 83559343062 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 38.
Adding to 154501225242131 its reverse (131242522105451), we get a palindrome (285743747347582).
The spelling of 154501225242131 in words is "one hundred fifty-four trillion, five hundred one billion, two hundred twenty-five million, two hundred forty-two thousand, one hundred thirty-one".
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