Base | Representation |
---|---|
bin | 11010001000100100… |
… | …101010000010101001 |
3 | 2200102121221022112102 |
4 | 122020210222002221 |
5 | 424432121131122 |
6 | 20520251023145 |
7 | 2012244352361 |
oct | 321044520251 |
9 | 80377838472 |
10 | 28061114537 |
11 | 1099a849755 |
12 | 553173aab5 |
13 | 28527980b1 |
14 | 1502b3b9a1 |
15 | ae37d9492 |
hex | 68892a0a9 |
28061114537 has 16 divisors (see below), whose sum is σ = 29654792640. Its totient is φ = 26518508352.
The previous prime is 28061114527. The next prime is 28061114563. The reversal of 28061114537 is 73541116082.
It is a cyclic number.
It is not a de Polignac number, because 28061114537 - 220 = 28060065961 is a prime.
It is a super-2 number, since 2×280611145372 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 28061114537.
It is not an unprimeable number, because it can be changed into a prime (28061114527) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235523 + ... + 334055.
It is an arithmetic number, because the mean of its divisors is an integer number (1853424540).
Almost surely, 228061114537 is an apocalyptic number.
It is an amenable number.
28061114537 is a deficient number, since it is larger than the sum of its proper divisors (1593678103).
28061114537 is a wasteful number, since it uses less digits than its factorization.
28061114537 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98792.
The product of its (nonzero) digits is 40320, while the sum is 38.
The spelling of 28061114537 in words is "twenty-eight billion, sixty-one million, one hundred fourteen thousand, five hundred thirty-seven".
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