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10042041001 = 65315378317
BaseRepresentation
bin10010101101000110…
…10110001010101001
3221220211212112112111
421112203112022221
5131031230303001
64340243442321
7503564640316
oct112643261251
927824775474
1010042041001
11429351a043
121b430863a1
13c40619cc5
146b3987d0d
153db914851
hex2568d62a9

10042041001 has 4 divisors (see below), whose sum is σ = 10057419972. Its totient is φ = 10026662032.

The previous prime is 10042040999. The next prime is 10042041007. The reversal of 10042041001 is 10014024001.

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 959760400 + 9082280601 = 30980^2 + 95301^2 .

It is a cyclic number.

It is not a de Polignac number, because 10042041001 - 21 = 10042040999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10042041007) 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, 7688506 + ... + 7689811.

It is an arithmetic number, because the mean of its divisors is an integer number (2514354993).

Almost surely, 210042041001 is an apocalyptic number.

It is an amenable number.

10042041001 is a deficient number, since it is larger than the sum of its proper divisors (15378971).

10042041001 is an equidigital number, since it uses as much as digits as its factorization.

10042041001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15378970.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10042041001 its reverse (10014024001), we get a palindrome (20056065002).

The spelling of 10042041001 in words is "ten billion, forty-two million, forty-one thousand, one".

Divisors: 1 653 15378317 10042041001