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194668028944 = 2473215112
BaseRepresentation
bin1011010101001100011…
…1100110010000010000
3200121110202020111020221
42311103013212100100
511142140003411234
6225232415242424
720031024641614
oct2652307462020
9617422214227
10194668028944
1175616033454
1231889b19414
131548477a60c
1495c9cc7344
1550e52e5eb4
hex2d531e6410

194668028944 has 45 divisors (see below), whose sum is σ = 382660035069. Its totient is φ = 95937137280.

The previous prime is 194668028873. The next prime is 194668028953. The reversal of 194668028944 is 449820866491.

The square root of 194668028944 is 441212.

It is a perfect power (a square), and thus also a powerful number.

194668028944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 110503056400 + 84164972544 = 332420^2 + 290112^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 128833149 + ... + 128834659.

Almost surely, 2194668028944 is an apocalyptic number.

194668028944 is the 441212-nd square number.

It is an amenable number.

194668028944 is a deficient number, since it is larger than the sum of its proper divisors (187992006125).

194668028944 is an frugal number, since it uses more digits than its factorization.

194668028944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 61.

The spelling of 194668028944 in words is "one hundred ninety-four billion, six hundred sixty-eight million, twenty-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 73 146 292 584 1168 1511 3022 5329 6044 10658 12088 21316 24176 42632 85264 110303 220606 441212 882424 1764848 2283121 4566242 8052119 9132484 16104238 18264968 32208476 36529936 64416952 128833904 166667833 333335666 666671332 1333342664 2666685328 12166751809 24333503618 48667007236 97334014472 194668028944