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10042103321 = 30613280661
BaseRepresentation
bin10010101101000111…
…00101011000011001
3221220211222201000122
421112203211120121
5131031234301241
64340245043025
7503565320105
oct112643453031
927824881018
1010042103321
114293561948
121b430b6475
13c4063c493
146b39a2905
153db92804b
hex2568e5619

10042103321 has 4 divisors (see below), whose sum is σ = 10045387044. Its totient is φ = 10038819600.

The previous prime is 10042103263. The next prime is 10042103339. The reversal of 10042103321 is 12330124001.

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 4134490000 + 5907613321 = 64300^2 + 76861^2 .

It is a cyclic number.

It is not a de Polignac number, because 10042103321 - 26 = 10042103257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10042103321.

It is not an unprimeable number, because it can be changed into a prime (10042103381) 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, 1637270 + ... + 1643391.

It is an arithmetic number, because the mean of its divisors is an integer number (2511346761).

Almost surely, 210042103321 is an apocalyptic number.

It is an amenable number.

10042103321 is a deficient number, since it is larger than the sum of its proper divisors (3283723).

10042103321 is an equidigital number, since it uses as much as digits as its factorization.

10042103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283722.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10042103321 its reverse (12330124001), we get a palindrome (22372227322).

The spelling of 10042103321 in words is "ten billion, forty-two million, one hundred three thousand, three hundred twenty-one".

Divisors: 1 3061 3280661 10042103321