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11923012000 = 25532980753
BaseRepresentation
bin10110001101010101…
…01011100110100000
31010202221020202200001
423012222223212200
5143404242341000
65251035305344
7601314633634
oct130652534640
933687222601
1011923012000
115069258429
122388bab254
13118021a3b3
148116dadc4
1549bb1446a
hex2c6aab9a0

11923012000 has 48 divisors (see below), whose sum is σ = 29294850312. Its totient is φ = 4769203200.

The previous prime is 11923011941. The next prime is 11923012027. The reversal of 11923012000 is 21032911.

It can be written as a sum of positive squares in 4 ways, for example, as 481714704 + 11441297296 = 21948^2 + 106964^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486377 + ... + 1494376.

Almost surely, 211923012000 is an apocalyptic number.

11923012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11923012000 is an abundant number, since it is smaller than the sum of its proper divisors (17371838312).

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

11923012000 is an equidigital number, since it uses as much as digits as its factorization.

11923012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980778 (or 2980760 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11923012000 its reverse (21032911), we get a palindrome (11944044911).

The spelling of 11923012000 in words is "eleven billion, nine hundred twenty-three million, twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 2980753 5961506 11923012 14903765 23846024 29807530 47692048 59615060 74518825 95384096 119230120 149037650 238460240 298075300 372594125 476920480 596150600 745188250 1192301200 1490376500 2384602400 2980753000 5961506000 11923012000