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10245690841 = 1012212
BaseRepresentation
bin10011000101011000…
…01101010111011001
3222110001002000121011
421202230031113121
5131440344101331
64412400413521
7511616635531
oct114254152731
928401060534
1010245690841
1143884751a1
121b9b3172a1
13c73881679
146d2a3a4c1
153ee7403b1
hex262b0d5d9

10245690841 has 3 divisors (see below), whose sum is σ = 10245792063. Its totient is φ = 10245589620.

The previous prime is 10245690823. The next prime is 10245690857. The reversal of 10245690841 is 14809654201.

The square root of 10245690841 is 101221.

It is a perfect power (a square), and thus also a powerful number.

10245690841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14809654201 = 89166400609.

It can be written as a sum of positive squares in only one way, i.e., 169546441 + 10076144400 = 13021^2 + 100380^2 .

It is not a de Polignac number, because 10245690841 - 25 = 10245690809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10245690794 and 10245690803.

It is not an unprimeable number, because it can be changed into a prime (10245690811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50611 + ... + 151831.

It is an arithmetic number, because the mean of its divisors is an integer number (3415264021).

Almost surely, 210245690841 is an apocalyptic number.

10245690841 is the 101221-st square number.

10245690841 is the 50611-st centered octagonal number.

It is an amenable number.

10245690841 is a deficient number, since it is larger than the sum of its proper divisors (101222).

10245690841 is an frugal number, since it uses more digits than its factorization.

10245690841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202442 (or 101221 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 10245690841 in words is "ten billion, two hundred forty-five million, six hundred ninety thousand, eight hundred forty-one".

Divisors: 1 101221 10245690841