Base | Representation |
---|---|
bin | 100011001111111001101001… |
… | …111001110101100101111111 |
3 | 202022220011212211220121021021 |
4 | 203033321221321311211333 |
5 | 130304404310021214411 |
6 | 1305413105314445011 |
7 | 44440065216116401 |
oct | 4317715171654577 |
9 | 668804784817237 |
10 | 155024326351231 |
11 | 454394a1827527 |
12 | 15478905293767 |
13 | 686696772253c |
14 | 2a3d3088b0b71 |
15 | 12dc812608a71 |
hex | 8cfe69e7597f |
155024326351231 has 8 divisors (see below), whose sum is σ = 155278134479520. Its totient is φ = 154770562061568.
The previous prime is 155024326351229. The next prime is 155024326351241. The reversal of 155024326351231 is 132153623420551.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 155024326351231 - 21 = 155024326351229 is a prime.
It is a super-2 number, since 2×1550243263512312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155024326351201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3877626 + ... + 18030103.
It is an arithmetic number, because the mean of its divisors is an integer number (19409766809940).
Almost surely, 2155024326351231 is an apocalyptic number.
155024326351231 is a deficient number, since it is larger than the sum of its proper divisors (253808128289).
155024326351231 is a wasteful number, since it uses less digits than its factorization.
155024326351231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21919313.
The product of its (nonzero) digits is 648000, while the sum is 43.
Adding to 155024326351231 its reverse (132153623420551), we get a palindrome (287177949771782).
The spelling of 155024326351231 in words is "one hundred fifty-five trillion, twenty-four billion, three hundred twenty-six million, three hundred fifty-one thousand, two hundred thirty-one".
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