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10042113541 = 44922365509
BaseRepresentation
bin10010101101000111…
…00111111000000101
3221220212000020001011
421112203213320011
5131031240113131
64340245202221
7503565361645
oct112643477005
927825006034
1010042113541
114293569599
121b43100371
13c40644025
146b39a6525
153db92b0b1
hex2568e7e05

10042113541 has 4 divisors (see below), whose sum is σ = 10064479500. Its totient is φ = 10019747584.

The previous prime is 10042113511. The next prime is 10042113553. The reversal of 10042113541 is 14531124001.

10042113541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14531124001 = 37338957437.

It can be written as a sum of positive squares in 2 ways, for example, as 8236288516 + 1805825025 = 90754^2 + 42495^2 .

It is a cyclic number.

It is not a de Polignac number, because 10042113541 - 27 = 10042113413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042113511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11182306 + ... + 11183203.

It is an arithmetic number, because the mean of its divisors is an integer number (2516119875).

Almost surely, 210042113541 is an apocalyptic number.

It is an amenable number.

10042113541 is a deficient number, since it is larger than the sum of its proper divisors (22365959).

10042113541 is an equidigital number, since it uses as much as digits as its factorization.

10042113541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22365958.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 10042113541 its reverse (14531124001), we get a palindrome (24573237542).

The spelling of 10042113541 in words is "ten billion, forty-two million, one hundred thirteen thousand, five hundred forty-one".

Divisors: 1 449 22365509 10042113541