Base | Representation |
---|---|
bin | 10001101011001010001… |
… | …010011110010001100111 |
3 | 11022010000122110212002211 |
4 | 101223022022132101213 |
5 | 124344421031124201 |
6 | 2325544504144251 |
7 | 153515145040465 |
oct | 21531212362147 |
9 | 4263018425084 |
10 | 1214572520551 |
11 | 429108584505 |
12 | 177485a68087 |
13 | 8a6c26c0830 |
14 | 42adda73835 |
15 | 218d920e651 |
hex | 11aca29e467 |
1214572520551 has 4 divisors (see below), whose sum is σ = 1308001175992. Its totient is φ = 1121143865112.
The previous prime is 1214572520461. The next prime is 1214572520569. The reversal of 1214572520551 is 1550252754121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1214572520551 - 27 = 1214572520423 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 (1214572527551) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46714327701 + ... + 46714327726.
It is an arithmetic number, because the mean of its divisors is an integer number (327000293998).
Almost surely, 21214572520551 is an apocalyptic number.
1214572520551 is a deficient number, since it is larger than the sum of its proper divisors (93428655441).
1214572520551 is an equidigital number, since it uses as much as digits as its factorization.
1214572520551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93428655440.
The product of its (nonzero) digits is 140000, while the sum is 40.
The spelling of 1214572520551 in words is "one trillion, two hundred fourteen billion, five hundred seventy-two million, five hundred twenty thousand, five hundred fifty-one".
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