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9149991300 = 22325210166657
BaseRepresentation
bin10001000010110000…
…11100100110000100
3212121200022201101200
420201120130212010
5122214344210200
64111540022500
7442513433322
oct104130344604
925550281350
109149991300
113975a2798a
121934391a30
13b2a878248
1462b2dad12
15388458800
hex22161c984

9149991300 has 54 divisors (see below), whose sum is σ = 28680142218. Its totient is φ = 2439997440.

The previous prime is 9149991283. The next prime is 9149991337. The reversal of 9149991300 is 31999419.

It can be written as a sum of positive squares in 3 ways, for example, as 13307904 + 9136683396 = 3648^2 + 95586^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5082429 + ... + 5084228.

Almost surely, 29149991300 is an apocalyptic number.

9149991300 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9149991300 is an abundant number, since it is smaller than the sum of its proper divisors (19530150918).

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

9149991300 is a wasteful number, since it uses less digits than its factorization.

9149991300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166677 (or 10166667 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 9149991300 is about 95655.5868729057. The cubic root of 9149991300 is about 2091.5755691892.

The spelling of 9149991300 in words is "nine billion, one hundred forty-nine million, nine hundred ninety-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 10166657 20333314 30499971 40666628 50833285 60999942 91499913 101666570 121999884 152499855 182999826 203333140 254166425 304999710 365999652 457499565 508332850 609999420 762499275 914999130 1016665700 1524998550 1829998260 2287497825 3049997100 4574995650 9149991300