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2074753889 = 13206977137
BaseRepresentation
bin111101110101010…
…0011101101100001
312100121000102021122
41323222203231201
513222114111024
6541513102025
7102262055105
oct17352435541
95317012248
102074753889
1197516533a
1249a9b7915
13270abb930
14159797905
15c222bd5e
hex7baa3b61

2074753889 has 8 divisors (see below), whose sum is σ = 2235459240. Its totient is φ = 1914206976.

The previous prime is 2074753843. The next prime is 2074753903. The reversal of 2074753889 is 9883574702.

It can be written as a sum of positive squares in 4 ways, for example, as 168558289 + 1906195600 = 12983^2 + 43660^2 .

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 2074753889 - 216 = 2074688353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2074753889.

It is not an unprimeable number, because it can be changed into a prime (2074753489) 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, 11672 + ... + 65465.

It is an arithmetic number, because the mean of its divisors is an integer number (279432405).

Almost surely, 22074753889 is an apocalyptic number.

It is an amenable number.

2074753889 is a deficient number, since it is larger than the sum of its proper divisors (160705351).

2074753889 is a wasteful number, since it uses less digits than its factorization.

2074753889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79219.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The square root of 2074753889 is about 45549.4663964354. The cubic root of 2074753889 is about 1275.4267727297.

The spelling of 2074753889 in words is "two billion, seventy-four million, seven hundred fifty-three thousand, eight hundred eighty-nine".

Divisors: 1 13 2069 26897 77137 1002781 159596453 2074753889