Search a number
-
+
12582140693 = 53636137321
BaseRepresentation
bin10111011011111010…
…00011101100010101
31012110212111222020212
423231331003230111
5201232012000233
65440302535205
7623540300633
oct135575035425
935425458225
1012582140693
115377321591
122531897505
131256949485
14875076353
154d9911a48
hex2edf43b15

12582140693 has 8 divisors (see below), whose sum is σ = 12821898456. Its totient is φ = 12342470400.

The previous prime is 12582140629. The next prime is 12582140699. The reversal of 12582140693 is 39604128521.

It can be written as a sum of positive squares in 4 ways, for example, as 3533945809 + 9048194884 = 59447^2 + 95122^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12582140693 - 26 = 12582140629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12582140693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12582140699) 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, 318473 + ... + 355793.

It is an arithmetic number, because the mean of its divisors is an integer number (1602737307).

Almost surely, 212582140693 is an apocalyptic number.

It is an amenable number.

12582140693 is a deficient number, since it is larger than the sum of its proper divisors (239757763).

12582140693 is an equidigital number, since it uses as much as digits as its factorization.

12582140693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43735.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 12582140693 in words is "twelve billion, five hundred eighty-two million, one hundred forty thousand, six hundred ninety-three".

Divisors: 1 53 6361 37321 337133 1978013 237398881 12582140693