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9999484480 = 265160919421
BaseRepresentation
bin10010101000000010…
…00000011001000000
3221210212210102222001
421110001000121000
5130434332000410
64332123353344
7502540133656
oct112401003100
927725712861
109999484480
1142714a2767
121b30982854
13c3486992b
146ac06add6
153d7d0a33a
hex254040640

9999484480 has 56 divisors (see below), whose sum is σ = 23827298040. Its totient is φ = 3997102080.

The previous prime is 9999484477. The next prime is 9999484489. The reversal of 9999484480 is 844849999.

It can be written as a sum of positive squares in 4 ways, for example, as 6714819136 + 3284665344 = 81944^2 + 57312^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (9999484489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505170 + ... + 524590.

It is an arithmetic number, because the mean of its divisors is an integer number (425487465).

Almost surely, 29999484480 is an apocalyptic number.

It is an amenable number.

9999484480 is an abundant number, since it is smaller than the sum of its proper divisors (13827813560).

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

9999484480 is a wasteful number, since it uses less digits than its factorization.

9999484480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21047 (or 21037 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 64.

The square root of 9999484480 is about 99997.4223667790. The cubic root of 9999484480 is about 2154.3976675900.

The spelling of 9999484480 in words is "nine billion, nine hundred ninety-nine million, four hundred eighty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1609 3218 6436 8045 12872 16090 19421 25744 32180 38842 51488 64360 77684 97105 102976 128720 155368 194210 257440 310736 388420 514880 621472 776840 1242944 1553680 3107360 6214720 31248389 62496778 124993556 156241945 249987112 312483890 499974224 624967780 999948448 1249935560 1999896896 2499871120 4999742240 9999484480