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1242532041431 = 5979266580571
BaseRepresentation
bin10010000101001100101…
…011100101001011010111
311101210012012020200100012
4102011030223211023113
5130324201200311211
62350451125510435
7155525050042562
oct22051453451327
94353165220305
101242532041431
11439a55a4335a
1218098957241b
139022a107925
14441d30c74d9
15224c3b2bd8b
hex1214cae52d7

1242532041431 has 8 divisors (see below), whose sum is σ = 1279586745600. Its totient is φ = 1206010498680.

The previous prime is 1242532041391. The next prime is 1242532041433. The reversal of 1242532041431 is 1341402352421.

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 1242532041431 - 26 = 1242532041367 is a prime.

It is a super-2 number, since 2×12425320414312 (a number of 25 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 (1242532041433) 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, 133285625 + ... + 133294946.

It is an arithmetic number, because the mean of its divisors is an integer number (159948343200).

Almost surely, 21242532041431 is an apocalyptic number.

1242532041431 is a deficient number, since it is larger than the sum of its proper divisors (37054704169).

1242532041431 is an equidigital number, since it uses as much as digits as its factorization.

1242532041431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266580709.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1242532041431 its reverse (1341402352421), we get a palindrome (2583934393852).

The spelling of 1242532041431 in words is "one trillion, two hundred forty-two billion, five hundred thirty-two million, forty-one thousand, four hundred thirty-one".

Divisors: 1 59 79 4661 266580571 15728253689 21059865109 1242532041431