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10205145516 = 223850428793
BaseRepresentation
bin10011000000100011…
…00010100110101100
3222100012210002212110
421200101202212230
5131400004124031
64404351404020
7510615206556
oct114021424654
928305702773
1010205145516
1143675a1965
121b89823610
13c68356857
146cb4c44d6
153eadd1c46
hex2604629ac

10205145516 has 12 divisors (see below), whose sum is σ = 23812006232. Its totient is φ = 3401715168.

The previous prime is 10205145469. The next prime is 10205145521. The reversal of 10205145516 is 61554150201.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425214385 + ... + 425214408.

Almost surely, 210205145516 is an apocalyptic number.

It is an amenable number.

10205145516 is an abundant number, since it is smaller than the sum of its proper divisors (13606860716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10205145516 is a wasteful number, since it uses less digits than its factorization.

10205145516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850428800 (or 850428798 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 10205145516 its reverse (61554150201), we get a palindrome (71759295717).

The spelling of 10205145516 in words is "ten billion, two hundred five million, one hundred forty-five thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 850428793 1700857586 2551286379 3401715172 5102572758 10205145516