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11800609492 = 2271600126339
BaseRepresentation
bin10101111110101111…
…10000001011010100
31010110101221001222211
422333113300023110
5143131424000432
65230544003204
7565300345210
oct127727601324
933411831884
1011800609492
115006155631
122354000504
131160a61a89
147dd357940
15490ed6d47
hex2bf5f02d4

11800609492 has 24 divisors (see below), whose sum is σ = 23603590080. Its totient is φ = 5056896000.

The previous prime is 11800609489. The next prime is 11800609493. The reversal of 11800609492 is 29490600811.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11800609493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434859 + ... + 461197.

It is an arithmetic number, because the mean of its divisors is an integer number (983482920).

Almost surely, 211800609492 is an apocalyptic number.

It is an amenable number.

11800609492 is an abundant number, since it is smaller than the sum of its proper divisors (11802980588).

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

11800609492 is a wasteful number, since it uses less digits than its factorization.

11800609492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42351 (or 42349 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 11800609492 in words is "eleven billion, eight hundred million, six hundred nine thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 16001 26339 32002 52678 64004 105356 112007 184373 224014 368746 448028 737492 421450339 842900678 1685801356 2950152373 5900304746 11800609492