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7113441081 = 323718871637
BaseRepresentation
bin1101001111111111…
…00111111100111001
3200100202012020200210
412213333213330321
5104032020103311
63133505421333
7341164152165
oct64777477471
920322166623
107113441081
11302039662a
12146633a849
13894974646
144b6a49ca5
152b97763a6
hex1a7fe7f39

7113441081 has 32 divisors (see below), whose sum is σ = 10053808128. Its totient is φ = 4464447680.

The previous prime is 7113441061. The next prime is 7113441089. The reversal of 7113441081 is 1801443117.

It is a cyclic number.

It is not a de Polignac number, because 7113441081 - 210 = 7113440057 is a prime.

It is a super-2 number, since 2×71134410812 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7113441089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4344595 + ... + 4346231.

It is an arithmetic number, because the mean of its divisors is an integer number (314181504).

Almost surely, 27113441081 is an apocalyptic number.

7113441081 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7113441081 is a deficient number, since it is larger than the sum of its proper divisors (2940367047).

7113441081 is a wasteful number, since it uses less digits than its factorization.

7113441081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 7113441081 is about 84341.2181617031. The cubic root of 7113441081 is about 1923.2094290218.

Adding to 7113441081 its reverse (1801443117), we get a palindrome (8914884198).

The spelling of 7113441081 in words is "seven billion, one hundred thirteen million, four hundred forty-one thousand, eighty-one".

Divisors: 1 3 23 69 71 213 887 1633 1637 2661 4899 4911 20401 37651 61203 62977 112953 116227 188931 348681 1448471 1452019 2673221 4345413 4356057 8019663 33396437 100189311 103093349 309280047 2371147027 7113441081