Base | Representation |
---|---|
bin | 100110111100000010… |
… | …1011000001110011101 |
3 | 21222211120000002110021 |
4 | 1031320011120032131 |
5 | 2332222434220433 |
6 | 102225234312141 |
7 | 6020105143612 |
oct | 1157005301635 |
9 | 258746002407 |
10 | 83619054493 |
11 | 3250a85a307 |
12 | 14257a28651 |
13 | 7b67b56b90 |
14 | 4093688509 |
15 | 229609622d |
hex | 137815839d |
83619054493 has 16 divisors (see below), whose sum is σ = 91993386240. Its totient is φ = 75523098816.
The previous prime is 83619054481. The next prime is 83619054503. The reversal of 83619054493 is 39445091638.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 83619054493 - 25 = 83619054461 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 83619054493.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83619054433) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2375818 + ... + 2410756.
It is an arithmetic number, because the mean of its divisors is an integer number (5749586640).
Almost surely, 283619054493 is an apocalyptic number.
It is an amenable number.
83619054493 is a deficient number, since it is larger than the sum of its proper divisors (8374331747).
83619054493 is a wasteful number, since it uses less digits than its factorization.
83619054493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38916.
The product of its (nonzero) digits is 2799360, while the sum is 52.
The spelling of 83619054493 in words is "eighty-three billion, six hundred nineteen million, fifty-four thousand, four hundred ninety-three".
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