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2113642077 = 37912770223
BaseRepresentation
bin111110111111011…
…1001111001011101
312110022012010211220
41331332321321131
513312043021302
6545422403553
7103243442541
oct17576717135
95408163756
102113642077
11995106638
124aba305b9
13278b863b1
141609dba21
15c585e4bc
hex7dfb9e5d

2113642077 has 16 divisors (see below), whose sum is σ = 2876375040. Its totient is φ = 1380283632.

The previous prime is 2113641997. The next prime is 2113642087. The reversal of 2113642077 is 7702463112.

It is not a de Polignac number, because 2113642077 - 27 = 2113641949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113642087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5013 + ... + 65210.

It is an arithmetic number, because the mean of its divisors is an integer number (179773440).

Almost surely, 22113642077 is an apocalyptic number.

It is an amenable number.

2113642077 is a deficient number, since it is larger than the sum of its proper divisors (762732963).

2113642077 is a wasteful number, since it uses less digits than its factorization.

2113642077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70432.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2113642077 is about 45974.3632582334. The cubic root of 2113642077 is about 1283.3461596439.

The spelling of 2113642077 in words is "two billion, one hundred thirteen million, six hundred forty-two thousand, seventy-seven".

Divisors: 1 3 79 127 237 381 10033 30099 70223 210669 5547617 8918321 16642851 26754963 704547359 2113642077