Search a number
-
+
525244342141 = 1831286862011
BaseRepresentation
bin1111010010010110000…
…00001001111101111101
31212012202011220011110101
413221023000021331331
532101200022422031
61041143253041101
752643021146441
oct7511300117575
91765664804411
10525244342141
11192833813382
1285967326191
133a6b819562c
141b5c9c12821
15d9e1ebd361
hex7a4b009f7d

525244342141 has 4 divisors (see below), whose sum is σ = 525531205984. Its totient is φ = 524957478300.

The previous prime is 525244342127. The next prime is 525244342151. The reversal of 525244342141 is 141243442525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525244342141 - 27 = 525244342013 is a prime.

It is a super-2 number, since 2×5252443421412 (a number of 24 digits) contains 22 as substring.

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 525244342141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525244342151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143429175 + ... + 143432836.

It is an arithmetic number, because the mean of its divisors is an integer number (131382801496).

Almost surely, 2525244342141 is an apocalyptic number.

It is an amenable number.

525244342141 is a deficient number, since it is larger than the sum of its proper divisors (286863843).

525244342141 is a wasteful number, since it uses less digits than its factorization.

525244342141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286863842.

The product of its digits is 153600, while the sum is 37.

Adding to 525244342141 its reverse (141243442525), we get a palindrome (666487784666).

The spelling of 525244342141 in words is "five hundred twenty-five billion, two hundred forty-four million, three hundred forty-two thousand, one hundred forty-one".

Divisors: 1 1831 286862011 525244342141