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188184574072 = 23112138461069
BaseRepresentation
bin1010111101000010101…
…1001011100001111000
3122222201220110212011201
42233100223023201320
511040400222332242
6222241212303544
716411250326045
oct2572053134170
9588656425151
10188184574072
1172899316890
123057a771bb4
13149904a04a1
149172bcc1cc
154d660124b7
hex2bd0acb878

188184574072 has 16 divisors (see below), whose sum is σ = 384922992600. Its totient is φ = 85538442720.

The previous prime is 188184574003. The next prime is 188184574099. The reversal of 188184574072 is 270475481881.

188184574072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1881845740722 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1069230447 + ... + 1069230622.

Almost surely, 2188184574072 is an apocalyptic number.

It is an amenable number.

188184574072 is an abundant number, since it is smaller than the sum of its proper divisors (196738418528).

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

188184574072 is a wasteful number, since it uses less digits than its factorization.

188184574072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138461086 (or 2138461082 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 55.

The spelling of 188184574072 in words is "one hundred eighty-eight billion, one hundred eighty-four million, five hundred seventy-four thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 88 2138461069 4276922138 8553844276 17107688552 23523071759 47046143518 94092287036 188184574072