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2056399079 = 7644945553
BaseRepresentation
bin111101010010010…
…0010100011100111
312022022110220012212
41322210202203213
513202414232304
6540015434035
7101650050410
oct17244424347
95268426185
102056399079
11965869079
1249482591b
1326a0632b7
1415717a807
15c080366e
hex7a9228e7

2056399079 has 8 divisors (see below), whose sum is σ = 2350586400. Its totient is φ = 1762315776.

The previous prime is 2056399073. The next prime is 2056399109. The reversal of 2056399079 is 9709936502.

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 2056399079 - 24 = 2056399063 is a prime.

It is a super-2 number, since 2×20563990792 = 8457554344224096482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056399073) 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, 22367 + ... + 67919.

It is an arithmetic number, because the mean of its divisors is an integer number (293823300).

Almost surely, 22056399079 is an apocalyptic number.

2056399079 is a deficient number, since it is larger than the sum of its proper divisors (294187321).

2056399079 is an equidigital number, since it uses as much as digits as its factorization.

2056399079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52009.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 2056399079 is about 45347.5366365142. The cubic root of 2056399079 is about 1271.6545032858.

The spelling of 2056399079 in words is "two billion, fifty-six million, three hundred ninety-nine thousand, seventy-nine".

Divisors: 1 7 6449 45143 45553 318871 293771297 2056399079