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185083500001 = 1011832509901
BaseRepresentation
bin1010110001011111010…
…1100001010111100001
3122200201210020222021111
42230113311201113201
511013022334000001
6221005353423321
716241353535551
oct2542765412741
9580653228244
10185083500001
11715478a0a54
122ba5410ab41
13145b7b8a60a
148d5add5161
154c33b55851
hex2b17d615e1

185083500001 has 4 divisors (see below), whose sum is σ = 186916010004. Its totient is φ = 183250990000.

The previous prime is 185083499999. The next prime is 185083500013. The reversal of 185083500001 is 100005380581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100005380581 = 156763819643.

It can be written as a sum of positive squares in 2 ways, for example, as 180985579776 + 4097920225 = 425424^2 + 64015^2 .

It is a cyclic number.

It is not a de Polignac number, because 185083500001 - 21 = 185083499999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (185083500101) 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, 916254850 + ... + 916255051.

It is an arithmetic number, because the mean of its divisors is an integer number (46729002501).

Almost surely, 2185083500001 is an apocalyptic number.

It is an amenable number.

185083500001 is a deficient number, since it is larger than the sum of its proper divisors (1832510003).

185083500001 is a wasteful number, since it uses less digits than its factorization.

185083500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832510002.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 185083500001 its reverse (100005380581), we get a palindrome (285088880582).

The spelling of 185083500001 in words is "one hundred eighty-five billion, eighty-three million, five hundred thousand, one".

Divisors: 1 101 1832509901 185083500001