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BaseRepresentation
bin100111000010010001…
…1001101001000100011
322000101010112210010002
41032010203031020203
52333140004344341
6102302105130215
76025224641315
oct1160443151043
9260333483102
1083828199971
113260791940a
12142b5a8996b
137b9c293ab9
1440b336b7b5
1522a960a29b
hex13848cd223

83828199971 has 4 divisors (see below), whose sum is σ = 83887696200. Its totient is φ = 83768703744.

The previous prime is 83828199953. The next prime is 83828200031. The reversal of 83828199971 is 17999182838.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83828199971 is a prime.

It is a super-2 number, since 2×838281999712 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83828199898 and 83828199907.

It is not an unprimeable number, because it can be changed into a prime (83828399971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29746001 + ... + 29748818.

It is an arithmetic number, because the mean of its divisors is an integer number (20971924050).

Almost surely, 283828199971 is an apocalyptic number.

83828199971 is a deficient number, since it is larger than the sum of its proper divisors (59496229).

83828199971 is a wasteful number, since it uses less digits than its factorization.

83828199971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59496228.

The product of its digits is 15676416, while the sum is 65.

The spelling of 83828199971 in words is "eighty-three billion, eight hundred twenty-eight million, one hundred ninety-nine thousand, nine hundred seventy-one".

Divisors: 1 1409 59494819 83828199971