Base | Representation |
---|---|
bin | 100110101101111011… |
… | …0000101101110101101 |
3 | 21221121112112002020102 |
4 | 1031123312011232231 |
5 | 2330240143101100 |
6 | 102110232000445 |
7 | 6002263154222 |
oct | 1153366055655 |
9 | 257545462212 |
10 | 83145284525 |
11 | 32297388986 |
12 | 14145230125 |
13 | 7ac0956b14 |
14 | 404a79d949 |
15 | 22696aecd5 |
hex | 135bd85bad |
83145284525 has 12 divisors (see below), whose sum is σ = 103187047392. Its totient is φ = 66460166640.
The previous prime is 83145284507. The next prime is 83145284527. The reversal of 83145284525 is 52548254138.
It is not a de Polignac number, because 83145284525 - 28 = 83145284269 is a prime.
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 83145284525.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83145284527) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1371257 + ... + 1430606.
It is an arithmetic number, because the mean of its divisors is an integer number (8598920616).
Almost surely, 283145284525 is an apocalyptic number.
It is an amenable number.
83145284525 is a deficient number, since it is larger than the sum of its proper divisors (20041762867).
83145284525 is a wasteful number, since it uses less digits than its factorization.
83145284525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2803060 (or 2803055 counting only the distinct ones).
The product of its digits is 1536000, while the sum is 47.
The spelling of 83145284525 in words is "eighty-three billion, one hundred forty-five million, two hundred eighty-four thousand, five hundred twenty-five".
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