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10284979801 = 82112527381
BaseRepresentation
bin10011001010000100…
…00101011001011001
3222112210000002220211
421211002011121121
5132030423323201
64420322451121
7512604612565
oct114502053131
928483002824
1010284979801
1143a866a608
121bb0503aa1
13c7ba59685
146d7d466a5
15402e01651
hex265085659

10284979801 has 4 divisors (see below), whose sum is σ = 10297508004. Its totient is φ = 10272451600.

The previous prime is 10284979721. The next prime is 10284979823. The reversal of 10284979801 is 10897948201.

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 4920882201 + 5364097600 = 70149^2 + 73240^2 .

It is a cyclic number.

It is not a de Polignac number, because 10284979801 - 211 = 10284977753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10284979301) 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, 6262870 + ... + 6264511.

It is an arithmetic number, because the mean of its divisors is an integer number (2574377001).

Almost surely, 210284979801 is an apocalyptic number.

It is an amenable number.

10284979801 is a deficient number, since it is larger than the sum of its proper divisors (12528203).

10284979801 is an equidigital number, since it uses as much as digits as its factorization.

10284979801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12528202.

The product of its (nonzero) digits is 290304, while the sum is 49.

The spelling of 10284979801 in words is "ten billion, two hundred eighty-four million, nine hundred seventy-nine thousand, eight hundred one".

Divisors: 1 821 12527381 10284979801