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11872805975 = 5219179311449
BaseRepresentation
bin10110000111010110…
…01010010001010111
31010122102210000221122
423003223022101113
5143303414242400
65242043234155
7600135120452
oct130353122127
933572700848
1011872805975
115042986948
12237421895b
1311729bc2a4
14808b8c499
154974e8685
hex2c3aca457

11872805975 has 48 divisors (see below), whose sum is σ = 15668640000. Its totient is φ = 8899430400.

The previous prime is 11872805969. The next prime is 11872805977. The reversal of 11872805975 is 57950827811.

11872805975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11872805975 - 26 = 11872805911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11872805977) 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 47 ways as a sum of consecutive naturals, for example, 26442551 + ... + 26442999.

It is an arithmetic number, because the mean of its divisors is an integer number (326430000).

Almost surely, 211872805975 is an apocalyptic number.

11872805975 is a deficient number, since it is larger than the sum of its proper divisors (3795834025).

11872805975 is a wasteful number, since it uses less digits than its factorization.

11872805975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 53.

The spelling of 11872805975 in words is "eleven billion, eight hundred seventy-two million, eight hundred five thousand, nine hundred seventy-five".

Divisors: 1 5 19 25 95 179 311 449 475 895 1555 2245 3401 4475 5909 7775 8531 11225 17005 29545 42655 55669 80371 85025 139639 147725 213275 278345 401855 698195 1057711 1391725 1527049 2009275 2653141 3490975 5288555 7635245 13265705 24995381 26442775 38176225 66328525 124976905 474912239 624884525 2374561195 11872805975