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10140421441 = 38772615533
BaseRepresentation
bin10010111000110101…
…01000110101000001
3222011200222210010111
421130122220311001
5131231421441231
64354120231321
7506201105623
oct113432506501
928150883114
1010140421441
114334004797
121b7000b541
13c57b14597
146c2a76c13
153e53994b1
hex25c6a8d41

10140421441 has 4 divisors (see below), whose sum is σ = 10143040852. Its totient is φ = 10137802032.

The previous prime is 10140421411. The next prime is 10140421451. The reversal of 10140421441 is 14412404101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14412404101 = 77549185849.

It can be written as a sum of positive squares in 2 ways, for example, as 2980723216 + 7159698225 = 54596^2 + 84615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10140421441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10140421411) 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, 1303890 + ... + 1311643.

It is an arithmetic number, because the mean of its divisors is an integer number (2535760213).

Almost surely, 210140421441 is an apocalyptic number.

It is an amenable number.

10140421441 is a deficient number, since it is larger than the sum of its proper divisors (2619411).

10140421441 is an equidigital number, since it uses as much as digits as its factorization.

10140421441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619410.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 10140421441 its reverse (14412404101), we get a palindrome (24552825542).

The spelling of 10140421441 in words is "ten billion, one hundred forty million, four hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 3877 2615533 10140421441