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11768387952 = 243245174749
BaseRepresentation
bin10101111010111001…
…10101100101110000
31010101011022001100110
422331130311211300
5143100201403302
65223433221320
7564426434646
oct127534654560
933334261313
1011768387952
114a99a48062
122345261840
13115718c889
147d8d6b196
1548d26eb6c
hex2bd735970

11768387952 has 20 divisors (see below), whose sum is σ = 30401669000. Its totient is φ = 3922795968.

The previous prime is 11768387947. The next prime is 11768387959. The reversal of 11768387952 is 25978386711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11768387892 and 11768387901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11768387959) 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 3 ways as a sum of consecutive naturals, for example, 122587327 + ... + 122587422.

It is an arithmetic number, because the mean of its divisors is an integer number (1520083450).

Almost surely, 211768387952 is an apocalyptic number.

11768387952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11768387952 is an abundant number, since it is smaller than the sum of its proper divisors (18633281048).

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

11768387952 is a wasteful number, since it uses less digits than its factorization.

11768387952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245174760 (or 245174754 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 57.

The spelling of 11768387952 in words is "eleven billion, seven hundred sixty-eight million, three hundred eighty-seven thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 245174749 490349498 735524247 980698996 1471048494 1961397992 2942096988 3922795984 5884193976 11768387952