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11147385870 = 2325123859843
BaseRepresentation
bin10100110000110111…
…11001110000001110
31001202212202212122100
422120123321300032
5140312212321440
65042051055530
7543146134155
oct123033716016
931685685570
1011147385870
114800454aa5
1221b12a15a6
13108861c71a
1477a6b859c
154539a4230
hex2986f9c0e

11147385870 has 24 divisors (see below), whose sum is σ = 28983203496. Its totient is φ = 2972636208.

The previous prime is 11147385853. The next prime is 11147385871. The reversal of 11147385870 is 7858374111.

11147385870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11147385871) 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 11 ways as a sum of consecutive naturals, for example, 61929832 + ... + 61930011.

It is an arithmetic number, because the mean of its divisors is an integer number (1207633479).

Almost surely, 211147385870 is an apocalyptic number.

11147385870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11147385870 is an abundant number, since it is smaller than the sum of its proper divisors (17835817626).

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

11147385870 is a wasteful number, since it uses less digits than its factorization.

11147385870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123859856 (or 123859853 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 11147385870 in words is "eleven billion, one hundred forty-seven million, three hundred eighty-five thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 123859843 247719686 371579529 619299215 743159058 1114738587 1238598430 1857897645 2229477174 3715795290 5573692935 11147385870