Search a number
-
+
10521541242101 = 29500217253189
BaseRepresentation
bin1001100100011011110010…
…1110100110110011110101
31101020211221022002110000102
42121012330232212303311
52334341104024221401
634213310155523445
72134104412636031
oct231067456466365
941224838073012
1010521541242101
11339718480a53a
12121b18aa59585
135b423c0831a6
142853611d51c1
15133a51c8656b
hex991bcba6cf5

10521541242101 has 8 divisors (see below), whose sum is σ = 10884572105400. Its totient is φ = 10158524985280.

The previous prime is 10521541242061. The next prime is 10521541242103. The reversal of 10521541242101 is 10124214512501.

It can be written as a sum of positive squares in 4 ways, for example, as 1402741771876 + 9118799470225 = 1184374^2 + 3019735^2 .

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 10521541242101 - 234 = 10504361372917 is a prime.

It is a super-2 number, since 2×105215412421012 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521541242103) 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, 2175986 + ... + 5077203.

It is an arithmetic number, because the mean of its divisors is an integer number (1360571513175).

Almost surely, 210521541242101 is an apocalyptic number.

It is an amenable number.

10521541242101 is a deficient number, since it is larger than the sum of its proper divisors (363030863299).

10521541242101 is an equidigital number, since it uses as much as digits as its factorization.

10521541242101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303239.

The product of its (nonzero) digits is 3200, while the sum is 29.

Adding to 10521541242101 its reverse (10124214512501), we get a palindrome (20645755754602).

The spelling of 10521541242101 in words is "ten trillion, five hundred twenty-one billion, five hundred forty-one million, two hundred forty-two thousand, one hundred one".

Divisors: 1 29 50021 1450609 7253189 210342481 362811766969 10521541242101