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10042103042 = 25021051521
BaseRepresentation
bin10010101101000111…
…00101010100000010
3221220211222200122022
421112203211110002
5131031234244132
64340245041442
7503565316226
oct112643452402
927824880568
1010042103042
114293561714
121b430b6282
13c4063c30a
146b39a2786
153db927e12
hex2568e5502

10042103042 has 4 divisors (see below), whose sum is σ = 15063154566. Its totient is φ = 5021051520.

The previous prime is 10042103011. The next prime is 10042103047. The reversal of 10042103042 is 24030124001.

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

It can be written as a sum of positive squares in only one way, i.e., 6844087441 + 3198015601 = 82729^2 + 56551^2 .

It is a super-2 number, since 2×100421030422 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10042103042.

It is not an unprimeable number, because it can be changed into a prime (10042103047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510525759 + ... + 2510525762.

Almost surely, 210042103042 is an apocalyptic number.

10042103042 is a deficient number, since it is larger than the sum of its proper divisors (5021051524).

10042103042 is an equidigital number, since it uses as much as digits as its factorization.

10042103042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021051523.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10042103042 its reverse (24030124001), we get a palindrome (34072227043).

The spelling of 10042103042 in words is "ten billion, forty-two million, one hundred three thousand, forty-two".

Divisors: 1 2 5021051521 10042103042