Base | Representation |
---|---|
bin | 100110101010001001… |
… | …0011111111010011000 |
3 | 21221021200222110212110 |
4 | 1031110102133322120 |
5 | 2330010214422242 |
6 | 102045502512320 |
7 | 5666163504114 |
oct | 1152422377230 |
9 | 257250873773 |
10 | 83018514072 |
11 | 3223187240a |
12 | 1410a8956a0 |
13 | 7aa05cc310 |
14 | 4037a00744 |
15 | 225d4bd39c |
hex | 135449fe98 |
83018514072 has 64 divisors (see below), whose sum is σ = 223560540000. Its totient is φ = 25538540544.
The previous prime is 83018514071. The next prime is 83018514091. The reversal of 83018514072 is 27041581038.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 83018514072.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83018514071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1523554 + ... + 1577102.
Almost surely, 283018514072 is an apocalyptic number.
It is an amenable number.
83018514072 is an abundant number, since it is smaller than the sum of its proper divisors (140542025928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83018514072 is a wasteful number, since it uses less digits than its factorization.
83018514072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58540 (or 58536 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 39.
The spelling of 83018514072 in words is "eighty-three billion, eighteen million, five hundred fourteen thousand, seventy-two".
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