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1836108187009 = 40138031204003
BaseRepresentation
bin11010101110000000100…
…100111000010110000001
320111112022112111010012021
4122232000210320112001
5220040322143441014
63523255122401441
7246440321036215
oct32560044702601
96445275433167
101836108187009
11648764227a58
12257a24b00281
131041b4c25135
1464c22148945
1532b64a3a624
hex1ab80938581

1836108187009 has 8 divisors (see below), whose sum is σ = 1841172548832. Its totient is φ = 1831046241600.

The previous prime is 1836108187007. The next prime is 1836108187013. The reversal of 1836108187009 is 9007818016381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1836108187009 - 21 = 1836108187007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1836108187007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923002 + ... + 2127004.

It is an arithmetic number, because the mean of its divisors is an integer number (230146568604).

Almost surely, 21836108187009 is an apocalyptic number.

It is an amenable number.

1836108187009 is a deficient number, since it is larger than the sum of its proper divisors (5064361823).

1836108187009 is a wasteful number, since it uses less digits than its factorization.

1836108187009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208207.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 1836108187009 in words is "one trillion, eight hundred thirty-six billion, one hundred eight million, one hundred eighty-seven thousand, nine".

Divisors: 1 401 3803 1204003 1525003 482805203 4578823409 1836108187009