Base | Representation |
---|---|
bin | 10111011000010111… |
… | …01011110010111101 |
3 | 1012101210121000212111 |
4 | 23230023223302331 |
5 | 201201404424131 |
6 | 5433321534021 |
7 | 623026546153 |
oct | 135413536275 |
9 | 35353530774 |
10 | 12552420541 |
11 | 5361572381 |
12 | 2523944311 |
13 | 125074199b |
14 | 87113b3d3 |
15 | 4d6ee0ab1 |
hex | 2ec2ebcbd |
12552420541 has 2 divisors, whose sum is σ = 12552420542. Its totient is φ = 12552420540.
The previous prime is 12552420527. The next prime is 12552420557. The reversal of 12552420541 is 14502425521.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8506188441 + 4046232100 = 92229^2 + 63610^2 .
It is a cyclic number.
It is not a de Polignac number, because 12552420541 - 217 = 12552289469 is a prime.
It is a super-2 number, since 2×125524205412 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12552420571) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276210270 + 6276210271.
It is an arithmetic number, because the mean of its divisors is an integer number (6276210271).
Almost surely, 212552420541 is an apocalyptic number.
It is an amenable number.
12552420541 is a deficient number, since it is larger than the sum of its proper divisors (1).
12552420541 is an equidigital number, since it uses as much as digits as its factorization.
12552420541 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16000, while the sum is 31.
The spelling of 12552420541 in words is "twelve billion, five hundred fifty-two million, four hundred twenty thousand, five hundred forty-one".
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