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2058215311 = 2518200061
BaseRepresentation
bin111101010101101…
…1101111110001111
312022102220011121201
41322223131332033
513203400342221
6540122410331
7102001353505
oct17253357617
95272804551
102058215311
11966899699
124953609a7
1326a54aba9
141574d0675
15c0a61891
hex7aaddf8f

2058215311 has 4 divisors (see below), whose sum is σ = 2066415624. Its totient is φ = 2050015000.

The previous prime is 2058215297. The next prime is 2058215321. The reversal of 2058215311 is 1135128502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1135128502 = 2567564251.

It is a cyclic number.

It is not a de Polignac number, because 2058215311 - 27 = 2058215183 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 2058215311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058215321) 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, 4099780 + ... + 4100281.

It is an arithmetic number, because the mean of its divisors is an integer number (516603906).

Almost surely, 22058215311 is an apocalyptic number.

2058215311 is a deficient number, since it is larger than the sum of its proper divisors (8200313).

2058215311 is an equidigital number, since it uses as much as digits as its factorization.

2058215311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8200312.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 2058215311 is about 45367.5579131167. The cubic root of 2058215311 is about 1272.0287723984.

The spelling of 2058215311 in words is "two billion, fifty-eight million, two hundred fifteen thousand, three hundred eleven".

Divisors: 1 251 8200061 2058215311