Base | Representation |
---|---|
bin | 111001100011011001011100… |
… | …000101110110101100110011 |
3 | 1020012020010220222202102201202 |
4 | 321203121130011312230303 |
5 | 231134114102300123412 |
6 | 2254202125553121415 |
7 | 104213254001315135 |
oct | 7143313405665463 |
9 | 1205203828672652 |
10 | 253121147661107 |
11 | 7371a091aaaa90 |
12 | 244806a825926b |
13 | ab312b63c670b |
14 | 46711b3a55055 |
15 | 1e3e3de0463c2 |
hex | e6365c176b33 |
253121147661107 has 8 divisors (see below), whose sum is σ = 279914793429360. Its totient is φ = 226957940616960.
The previous prime is 253121147661101. The next prime is 253121147661133. The reversal of 253121147661107 is 701166741121352.
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 253121147661107 - 24 = 253121147661091 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (253121147661101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157609680182 + ... + 157609681787.
It is an arithmetic number, because the mean of its divisors is an integer number (34989349178670).
Almost surely, 2253121147661107 is an apocalyptic number.
253121147661107 is a deficient number, since it is larger than the sum of its proper divisors (26793645768253).
253121147661107 is a wasteful number, since it uses less digits than its factorization.
253121147661107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315219362053.
The product of its (nonzero) digits is 423360, while the sum is 47.
Adding to 253121147661107 its reverse (701166741121352), we get a palindrome (954287888782459).
The spelling of 253121147661107 in words is "two hundred fifty-three trillion, one hundred twenty-one billion, one hundred forty-seven million, six hundred sixty-one thousand, one hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •