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11990851750 = 25347963407
BaseRepresentation
bin10110010101011010…
…11110000010100110
31010221122220101022101
423022231132002212
5144024124224000
65301501322314
7603100362313
oct131255360246
933848811271
1011990851750
1150a3583439
1223a786639a
1311912b0867
1481a719d0a
154a2a64e6a
hex2cab5e0a6

11990851750 has 16 divisors (see below), whose sum is σ = 22446874944. Its totient is φ = 4796340600.

The previous prime is 11990851727. The next prime is 11990851751. The reversal of 11990851750 is 5715809911.

11990851750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11990851750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990851751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23981454 + ... + 23981953.

It is an arithmetic number, because the mean of its divisors is an integer number (1402929684).

Almost surely, 211990851750 is an apocalyptic number.

11990851750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11990851750 is a deficient number, since it is larger than the sum of its proper divisors (10456023194).

11990851750 is an equidigital number, since it uses as much as digits as its factorization.

11990851750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47963424 (or 47963414 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 46.

The spelling of 11990851750 in words is "eleven billion, nine hundred ninety million, eight hundred fifty-one thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 47963407 95926814 239817035 479634070 1199085175 2398170350 5995425875 11990851750