Base | Representation |
---|---|
bin | 1000111110000100111… |
… | …1100111100100111111 |
3 | 112201202200122112021112 |
4 | 2033201033213210333 |
5 | 10011100310320411 |
6 | 154443250152235 |
7 | 14063545246010 |
oct | 2174117474477 |
9 | 481680575245 |
10 | 154102823231 |
11 | 5a39a031a55 |
12 | 25a4888267b |
13 | 116bb592706 |
14 | 765c62d007 |
15 | 401ddb5b8b |
hex | 23e13e793f |
154102823231 has 8 divisors (see below), whose sum is σ = 179864693760. Its totient is φ = 129277748088.
The previous prime is 154102823219. The next prime is 154102823257. The reversal of 154102823231 is 132328201451.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-154102823231 is a prime.
It is a super-2 number, since 2×1541028232312 (a number of 23 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 (154102853231) 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 7 ways as a sum of consecutive naturals, for example, 234198491 + ... + 234199148.
It is an arithmetic number, because the mean of its divisors is an integer number (22483086720).
Almost surely, 2154102823231 is an apocalyptic number.
154102823231 is a deficient number, since it is larger than the sum of its proper divisors (25761870529).
154102823231 is an equidigital number, since it uses as much as digits as its factorization.
154102823231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 468397693.
The product of its (nonzero) digits is 11520, while the sum is 32.
The spelling of 154102823231 in words is "one hundred fifty-four billion, one hundred two million, eight hundred twenty-three thousand, two hundred thirty-one".
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