Search a number
-
+
135431010541 = 145009933949
BaseRepresentation
bin111111000100001010…
…0010011100011101101
3110221120102100011111101
41332020110103203231
54204330314314131
6142114404323101
712533051411221
oct1761024234355
9427512304441
10135431010541
11524883027a2
12222b76a3491
13ca04111938
1467aa8c4781
1537c9a56c61
hex1f885138ed

135431010541 has 4 divisors (see below), whose sum is σ = 135432089500. Its totient is φ = 135429931584.

The previous prime is 135431010479. The next prime is 135431010577. The reversal of 135431010541 is 145010134531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 32023102500 + 103407908041 = 178950^2 + 321571^2 .

It is a cyclic number.

It is not a de Polignac number, because 135431010541 - 235 = 101071272173 is a prime.

It is a super-2 number, since 2×1354310105412 (a number of 23 digits) 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 (135431010581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321966 + ... + 611983.

It is an arithmetic number, because the mean of its divisors is an integer number (33858022375).

Almost surely, 2135431010541 is an apocalyptic number.

It is an amenable number.

135431010541 is a deficient number, since it is larger than the sum of its proper divisors (1078959).

135431010541 is an equidigital number, since it uses as much as digits as its factorization.

135431010541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078958.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 135431010541 in words is "one hundred thirty-five billion, four hundred thirty-one million, ten thousand, five hundred forty-one".

Divisors: 1 145009 933949 135431010541