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2039100001 = 15629130469
BaseRepresentation
bin111100110001010…
…0011001001100001
312021002221000100021
41321202203021201
513134002200001
6534200553441
7101350030651
oct17142431141
95232830307
102039100001
11957023014
1248aa82881
132665b7363
14154b56361
15be037ba1
hex798a3261

2039100001 has 4 divisors (see below), whose sum is σ = 2039246100. Its totient is φ = 2038953904.

The previous prime is 2039099999. The next prime is 2039100023. The reversal of 2039100001 is 1000019302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1000019302 = 2500009651.

It can be written as a sum of positive squares in 2 ways, for example, as 1752678225 + 286421776 = 41865^2 + 16924^2 .

It is a cyclic number.

It is not a de Polignac number, because 2039100001 - 21 = 2039099999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2039100031) 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, 49606 + ... + 80863.

It is an arithmetic number, because the mean of its divisors is an integer number (509811525).

Almost surely, 22039100001 is an apocalyptic number.

It is an amenable number.

2039100001 is a deficient number, since it is larger than the sum of its proper divisors (146099).

2039100001 is a wasteful number, since it uses less digits than its factorization.

2039100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146098.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2039100001 is about 45156.3949070339. The cubic root of 2039100001 is about 1268.0786042701.

Adding to 2039100001 its reverse (1000019302), we get a palindrome (3039119303).

The spelling of 2039100001 in words is "two billion, thirty-nine million, one hundred thousand, one".

Divisors: 1 15629 130469 2039100001