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2058465887 = 5338838979
BaseRepresentation
bin111101010110001…
…1011001001011111
312022110100220100022
41322230123021133
513203431402022
6540132022355
7102003446162
oct17254331137
95273326308
102058465887
11966a4a985
124954619bb
1326a607c6a
14157557ad9
15c0ab0c42
hex7ab1b25f

2058465887 has 4 divisors (see below), whose sum is σ = 2097304920. Its totient is φ = 2019626856.

The previous prime is 2058465883. The next prime is 2058465917. The reversal of 2058465887 is 7885648502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7885648502 = 23942824251.

It is a cyclic number.

It is not a de Polignac number, because 2058465887 - 22 = 2058465883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 38838979 = 2058465887 / (2 + 0 + 5 + 8 + 4 + 6 + 5 + 8 + 8 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058465883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19419437 + ... + 19419542.

It is an arithmetic number, because the mean of its divisors is an integer number (524326230).

Almost surely, 22058465887 is an apocalyptic number.

2058465887 is a deficient number, since it is larger than the sum of its proper divisors (38839033).

2058465887 is an equidigital number, since it uses as much as digits as its factorization.

2058465887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38839032.

The product of its (nonzero) digits is 4300800, while the sum is 53.

The square root of 2058465887 is about 45370.3194500546. The cubic root of 2058465887 is about 1272.0803910582.

The spelling of 2058465887 in words is "two billion, fifty-eight million, four hundred sixty-five thousand, eight hundred eighty-seven".

Divisors: 1 53 38838979 2058465887