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20551001410241 = 87723433296933
BaseRepresentation
bin1001010110000111001110…
…01000111000101011000001
32200202122201121211022010022
410223003213020320223001
510143201422330111431
6111412555534343225
74220521654520351
oct453034710705301
980678647738108
1020551001410241
1166036a3594955
12237ab0895ab15
13b60c497b3563
14510960ba8b61
152598a321d07b
hex12b0e7238ac1

20551001410241 has 4 divisors (see below), whose sum is σ = 20574434708052. Its totient is φ = 20527568112432.

The previous prime is 20551001410237. The next prime is 20551001410271. The reversal of 20551001410241 is 14201410015502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12957091363216 + 7593910047025 = 3599596^2 + 2755705^2 .

It is a cyclic number.

It is not a de Polignac number, because 20551001410241 - 22 = 20551001410237 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 20551001410241.

It is not an unprimeable number, because it can be changed into a prime (20551001410231) 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, 11716647590 + ... + 11716649343.

It is an arithmetic number, because the mean of its divisors is an integer number (5143608677013).

Almost surely, 220551001410241 is an apocalyptic number.

It is an amenable number.

20551001410241 is a deficient number, since it is larger than the sum of its proper divisors (23433297811).

20551001410241 is an equidigital number, since it uses as much as digits as its factorization.

20551001410241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23433297810.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 20551001410241 its reverse (14201410015502), we get a palindrome (34752411425743).

The spelling of 20551001410241 in words is "twenty trillion, five hundred fifty-one billion, one million, four hundred ten thousand, two hundred forty-one".

Divisors: 1 877 23433296933 20551001410241