Base | Representation |
---|---|
bin | 100100000111110… |
… | …1011100010101001 |
3 | 10010110201112112121 |
4 | 1020033223202221 |
5 | 4440242220212 |
6 | 320134511241 |
7 | 42015265642 |
oct | 11017534251 |
9 | 3113645477 |
10 | 1212070057 |
11 | 5722001a0 |
12 | 299b05521 |
13 | 16415c323 |
14 | b6d926c9 |
15 | 71621d07 |
hex | 483eb8a9 |
1212070057 has 8 divisors (see below), whose sum is σ = 1323165312. Its totient is φ = 1101126000.
The previous prime is 1212070043. The next prime is 1212070103. The reversal of 1212070057 is 7500702121.
It is a happy number.
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 1212070057 - 211 = 1212068009 is a prime.
It is a super-2 number, since 2×12120700572 = 2938227646151966498, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1212070007) 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, 20694 + ... + 53407.
It is an arithmetic number, because the mean of its divisors is an integer number (165395664).
Almost surely, 21212070057 is an apocalyptic number.
It is an amenable number.
1212070057 is a deficient number, since it is larger than the sum of its proper divisors (111095255).
1212070057 is a wasteful number, since it uses less digits than its factorization.
1212070057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75599.
The product of its (nonzero) digits is 980, while the sum is 25.
The square root of 1212070057 is about 34814.7965238920. The cubic root of 1212070057 is about 1066.2095647675.
Adding to 1212070057 its reverse (7500702121), we get a palindrome (8712772178).
The spelling of 1212070057 in words is "one billion, two hundred twelve million, seventy thousand, fifty-seven".
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