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7140541540 = 2251122950637
BaseRepresentation
bin1101010011001110…
…00000010001100100
3200102122012002112111
412221213000101210
5104110434312130
63140314330404
7341643413236
oct65147002144
920378162474
107140541540
113034716600
121473429a04
1389a472912
144ba4a2256
152bbd2b02a
hex1a99c0464

7140541540 has 36 divisors (see below), whose sum is σ = 16482263868. Its totient is φ = 2596559680.

The previous prime is 7140541483. The next prime is 7140541553. The reversal of 7140541540 is 451450417.

It can be written as a sum of positive squares in 2 ways, for example, as 3434897664 + 3705643876 = 58608^2 + 60874^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1472899 + ... + 1477738.

It is an arithmetic number, because the mean of its divisors is an integer number (457840663).

Almost surely, 27140541540 is an apocalyptic number.

It is an amenable number.

7140541540 is an abundant number, since it is smaller than the sum of its proper divisors (9341722328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7140541540 is a wasteful number, since it uses less digits than its factorization.

7140541540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950668 (or 2950655 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 7140541540 is about 84501.7250711487. The cubic root of 7140541540 is about 1925.6486521525.

Adding to 7140541540 its reverse (451450417), we get a palindrome (7591991957).

The spelling of 7140541540 in words is "seven billion, one hundred forty million, five hundred forty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 2950637 5901274 11802548 14753185 29506370 32457007 59012740 64914014 129828028 162285035 324570070 357027077 649140140 714054154 1428108308 1785135385 3570270770 7140541540