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2556140227 = 371071793607
BaseRepresentation
bin1001100001011011…
…1001101011000011
320121010211101012021
42120112321223003
520213332441402
61101350542311
7120225555604
oct23026715303
96533741167
102556140227
1110a1968a93
125b4067997
13319757614
141a36a5dab
15ee619d37
hex985b9ac3

2556140227 has 16 divisors (see below), whose sum is σ = 2665301760. Its totient is φ = 2449368288.

The previous prime is 2556140201. The next prime is 2556140239. The reversal of 2556140227 is 7220416552.

2556140227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2556140227 - 215 = 2556107459 is a prime.

It is a super-2 number, since 2×25561402272 = 13067705720175223058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2556140192 and 2556140201.

It is not an unprimeable number, because it can be changed into a prime (2556140297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706858 + ... + 710464.

It is an arithmetic number, because the mean of its divisors is an integer number (166581360).

Almost surely, 22556140227 is an apocalyptic number.

2556140227 is a deficient number, since it is larger than the sum of its proper divisors (109161533).

2556140227 is a wasteful number, since it uses less digits than its factorization.

2556140227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2556140227 is about 50558.2854436343. The cubic root of 2556140227 is about 1367.2928991306.

Adding to 2556140227 its reverse (7220416552), we get a palindrome (9776556779).

The spelling of 2556140227 in words is "two billion, five hundred fifty-six million, one hundred forty thousand, two hundred twenty-seven".

Divisors: 1 37 107 179 3607 3959 6623 19153 133459 385949 645653 708661 14280113 23889161 69084871 2556140227