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10042212041 = 41244932001
BaseRepresentation
bin10010101101000111…
…11111111011001001
3221220212012020011022
421112203333323021
5131031301241131
64340251242225
7503566252061
oct112643777311
927825166138
1010042212041
1142936265a4
121b43149375
13c40679b04
146b39d03a1
153db94a37b
hex2568ffec9

10042212041 has 4 divisors (see below), whose sum is σ = 10287144084. Its totient is φ = 9797280000.

The previous prime is 10042212031. The next prime is 10042212067. The reversal of 10042212041 is 14021224001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14021224001 = 112431247107.

It can be written as a sum of positive squares in 2 ways, for example, as 1559065225 + 8483146816 = 39485^2 + 92104^2 .

It is a cyclic number.

It is not a de Polignac number, because 10042212041 - 210 = 10042211017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10042212031) 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, 122465960 + ... + 122466041.

It is an arithmetic number, because the mean of its divisors is an integer number (2571786021).

Almost surely, 210042212041 is an apocalyptic number.

It is an amenable number.

10042212041 is a deficient number, since it is larger than the sum of its proper divisors (244932043).

10042212041 is an equidigital number, since it uses as much as digits as its factorization.

10042212041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244932042.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10042212041 its reverse (14021224001), we get a palindrome (24063436042).

The spelling of 10042212041 in words is "ten billion, forty-two million, two hundred twelve thousand, forty-one".

Divisors: 1 41 244932001 10042212041