Base | Representation |
---|---|
bin | 10111110000110000… |
… | …01011100110101111 |
3 | 1012221001120220212221 |
4 | 23320120023212233 |
5 | 202111244220101 |
6 | 5505511140211 |
7 | 631062623215 |
oct | 137030134657 |
9 | 35831526787 |
10 | 12757023151 |
11 | 5457009344 |
12 | 2580374667 |
13 | 1283c4ac12 |
14 | 89039acb5 |
15 | 4e9e58aa1 |
hex | 2f860b9af |
12757023151 has 8 divisors (see below), whose sum is σ = 13057897424. Its totient is φ = 12456339840.
The previous prime is 12757023131. The next prime is 12757023157. The reversal of 12757023151 is 15132075721.
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 12757023151 - 25 = 12757023119 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12757023157) 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 7 ways as a sum of consecutive naturals, for example, 92221 + ... + 184441.
It is an arithmetic number, because the mean of its divisors is an integer number (1632237178).
Almost surely, 212757023151 is an apocalyptic number.
12757023151 is the 92221-st pentagonal number.
12757023151 is a deficient number, since it is larger than the sum of its proper divisors (300874273).
12757023151 is an equidigital number, since it uses as much as digits as its factorization.
12757023151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95481.
The product of its (nonzero) digits is 14700, while the sum is 34.
Adding to 12757023151 its reverse (15132075721), we get a palindrome (27889098872).
The spelling of 12757023151 in words is "twelve billion, seven hundred fifty-seven million, twenty-three thousand, one hundred fifty-one".
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