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83387322019 = 5961179129439
BaseRepresentation
bin100110110101001000…
…1011000111010100011
321222020101221212021001
41031222101120322203
52331234123301034
6102150235412431
76011262354001
oct1155221307243
9258211855231
1083387322019
1132400a73271
12141b22b4117
137b2bb3c181
1440709a5a71
152280a6ea14
hex136a458ea3

83387322019 has 16 divisors (see below), whose sum is σ = 86673024000. Its totient is φ = 80179074720.

The previous prime is 83387321993. The next prime is 83387322061. The reversal of 83387322019 is 91022378338.

It is a cyclic number.

It is not a de Polignac number, because 83387322019 - 217 = 83387190947 is a prime.

It is a super-2 number, since 2×833873220192 (a number of 23 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 83387322019.

It is not an unprimeable number, because it can be changed into a prime (83387322079) 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, 579502 + ... + 708940.

It is an arithmetic number, because the mean of its divisors is an integer number (5417064000).

Almost surely, 283387322019 is an apocalyptic number.

83387322019 is a deficient number, since it is larger than the sum of its proper divisors (3285701981).

83387322019 is a wasteful number, since it uses less digits than its factorization.

83387322019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129738.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 83387322019 in words is "eighty-three billion, three hundred eighty-seven million, three hundred twenty-two thousand, nineteen".

Divisors: 1 59 61 179 3599 10561 10919 129439 644221 7636901 7895779 23169581 465850961 1367005279 1413344441 83387322019