Search a number
-
+
525231352142121 = 31710298653963571
BaseRepresentation
bin111011101101100011111010…
…0001010110101100100101001
32112212200121221000000210122210
41313123013310022311210221
51022320342302122021441
65101023541355435333
7215426466352504062
oct16733076412654451
92485617830023583
10525231352142121
1114239a402592a19
124aaa9431155b49
131970c1475b6321
14939b493da1569
1540ac715ae3616
hex1ddb1f42b5929

525231352142121 has 8 divisors (see below), whose sum is σ = 741503085377184. Its totient is φ = 329556926834240.

The previous prime is 525231352142117. The next prime is 525231352142141. The reversal of 525231352142121 is 121241253132525.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 525231352142121 - 22 = 525231352142117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525231352142121.

It is not an unprimeable number, because it can be changed into a prime (525231352142141) 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, 5149326981735 + ... + 5149326981836.

It is an arithmetic number, because the mean of its divisors is an integer number (92687885672148).

Almost surely, 2525231352142121 is an apocalyptic number.

525231352142121 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

525231352142121 is a deficient number, since it is larger than the sum of its proper divisors (216271733235063).

525231352142121 is a wasteful number, since it uses less digits than its factorization.

525231352142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298653963591.

The product of its digits is 144000, while the sum is 39.

The spelling of 525231352142121 in words is "five hundred twenty-five trillion, two hundred thirty-one billion, three hundred fifty-two million, one hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 3 17 51 10298653963571 30895961890713 175077117380707 525231352142121