Base | Representation |
---|---|
bin | 100100011000000… |
… | …0010010101110101 |
3 | 10011001200110122121 |
4 | 1020300002111311 |
5 | 4444430131203 |
6 | 321040355541 |
7 | 42150343540 |
oct | 11060022565 |
9 | 3131613577 |
10 | 1220552053 |
11 | 576a73906 |
12 | 2a0915bb1 |
13 | 165b3bc66 |
14 | b815d857 |
15 | 7224a0bd |
hex | 48c02575 |
1220552053 has 8 divisors (see below), whose sum is σ = 1396647360. Its totient is φ = 1044889440.
The previous prime is 1220552051. The next prime is 1220552059. The reversal of 1220552053 is 3502550221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1220552053 - 21 = 1220552051 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 (1220552051) 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, 102103 + ... + 113428.
It is an arithmetic number, because the mean of its divisors is an integer number (174580920).
Almost surely, 21220552053 is an apocalyptic number.
It is an amenable number.
1220552053 is a deficient number, since it is larger than the sum of its proper divisors (176095307).
1220552053 is an equidigital number, since it uses as much as digits as its factorization.
1220552053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216347.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 1220552053 is about 34936.4001150662. The cubic root of 1220552053 is about 1068.6908766217.
The spelling of 1220552053 in words is "one billion, two hundred twenty million, five hundred fifty-two thousand, fifty-three".
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