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2073891839 = 12731695153
BaseRepresentation
bin111101110011101…
…0001001111111111
312100112101121202212
41323213101033333
513221404014324
6541442411035
7102251534615
oct17347211777
95315347685
102073891839
119747266a8
1249a660a7b
13270879446
141596116b5
15c210b70e
hex7b9d13ff

2073891839 has 8 divisors (see below), whose sum is σ = 2091287040. Its totient is φ = 2056513536.

The previous prime is 2073891823. The next prime is 2073891851. The reversal of 2073891839 is 9381983702.

It is a happy number.

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 2073891839 - 24 = 2073891823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073891139) 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, 399887 + ... + 405039.

It is an arithmetic number, because the mean of its divisors is an integer number (261410880).

Almost surely, 22073891839 is an apocalyptic number.

2073891839 is a deficient number, since it is larger than the sum of its proper divisors (17395201).

2073891839 is a wasteful number, since it uses less digits than its factorization.

2073891839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8449.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 2073891839 is about 45540.0026240667. The cubic root of 2073891839 is about 1275.2501037495.

The spelling of 2073891839 in words is "two billion, seventy-three million, eight hundred ninety-one thousand, eight hundred thirty-nine".

Divisors: 1 127 3169 5153 402463 654431 16329857 2073891839