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10020204454 = 2131975933299
BaseRepresentation
bin10010101010100000…
…00010111110100110
3221212022210010102111
421111100002332212
5131010133020304
64334143431234
7503211222031
oct112520027646
927768703374
1010020204454
114282164a07
121b378b551a
13c38c42980
146b0b02018
153d9a4e704
hex255402fa6

10020204454 has 32 divisors (see below), whose sum is σ = 16301023200. Its totient is φ = 4592082432.

The previous prime is 10020204427. The next prime is 10020204457. The reversal of 10020204454 is 45440202001.

It is a happy number.

It is a super-2 number, since 2×100202044542 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020204457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3035697 + ... + 3038995.

It is an arithmetic number, because the mean of its divisors is an integer number (509406975).

Almost surely, 210020204454 is an apocalyptic number.

10020204454 is a deficient number, since it is larger than the sum of its proper divisors (6280818746).

10020204454 is a wasteful number, since it uses less digits than its factorization.

10020204454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 10020204454 its reverse (45440202001), we get a palindrome (55460406455).

The spelling of 10020204454 in words is "ten billion, twenty million, two hundred four thousand, four hundred fifty-four".

Divisors: 1 2 13 26 197 394 593 1186 2561 3299 5122 6598 7709 15418 42887 85774 116821 233642 649903 1299806 1518673 1956307 3037346 3912614 8448739 16897478 25431991 50863982 385392479 770784958 5010102227 10020204454