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11892823870 = 252971400297
BaseRepresentation
bin10110001001101111…
…00001011100111110
31010200211110001100011
423010313201130332
5143324030330440
65244040253434
7600500222614
oct130467413476
933624401304
1011892823870
115053209664
12237aa7127a
131176baa8b5
1480b6bd6b4
1549914e9ea
hex2c4de173e

11892823870 has 16 divisors (see below), whose sum is σ = 21414341808. Its totient is φ = 4755516480.

The previous prime is 11892823867. The next prime is 11892823871. The reversal of 11892823870 is 7832829811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11892823871) 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, 170439 + ... + 229858.

It is an arithmetic number, because the mean of its divisors is an integer number (1338396363).

Almost surely, 211892823870 is an apocalyptic number.

11892823870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11892823870 is a deficient number, since it is larger than the sum of its proper divisors (9521517938).

11892823870 is a wasteful number, since it uses less digits than its factorization.

11892823870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403275.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 11892823870 in words is "eleven billion, eight hundred ninety-two million, eight hundred twenty-three thousand, eight hundred seventy".

Divisors: 1 2 5 10 2971 5942 14855 29710 400297 800594 2001485 4002970 1189282387 2378564774 5946411935 11892823870