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2058127681 = 10067204443
BaseRepresentation
bin111101010101100…
…1000100101000001
312022102201201102011
41322223020211001
513203340041211
6540120452521
7102000540151
oct17253104501
95272651364
102058127681
11966839875
1249531a141
1326a51a03c
141574aa761
15c0a45921
hex7aac8941

2058127681 has 4 divisors (see below), whose sum is σ = 2058342192. Its totient is φ = 2057913172.

The previous prime is 2058127663. The next prime is 2058127723. The reversal of 2058127681 is 1867218502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2058127681 - 25 = 2058127649 is a prime.

It is a super-2 number, since 2×20581276812 = 8471779102596875522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2058127081) 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, 92155 + ... + 112288.

It is an arithmetic number, because the mean of its divisors is an integer number (514585548).

Almost surely, 22058127681 is an apocalyptic number.

It is an amenable number.

2058127681 is a deficient number, since it is larger than the sum of its proper divisors (214511).

2058127681 is a wasteful number, since it uses less digits than its factorization.

2058127681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214510.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 2058127681 is about 45366.5921246020. The cubic root of 2058127681 is about 1272.0107196284.

The spelling of 2058127681 in words is "two billion, fifty-eight million, one hundred twenty-seven thousand, six hundred eighty-one".

Divisors: 1 10067 204443 2058127681