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187316728044 = 2234129285977
BaseRepresentation
bin1010111001110011110…
…0100111000011101100
3122220111102110201020020
42232130330213003230
511032111040244134
6222015131322140
716350611626515
oct2563474470354
9586442421206
10187316728044
1172493456266
1230377bb0350
1314882754324
1490cd841a0c
154d14c37b49
hex2b9cf270ec

187316728044 has 36 divisors (see below), whose sum is σ = 447992722632. Its totient is φ = 60916002560.

The previous prime is 187316728009. The next prime is 187316728111. The reversal of 187316728044 is 440827613781.

187316728044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4622817 + ... + 4663160.

Almost surely, 2187316728044 is an apocalyptic number.

It is an amenable number.

187316728044 is an abundant number, since it is smaller than the sum of its proper divisors (260675994588).

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

187316728044 is a wasteful number, since it uses less digits than its factorization.

187316728044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9286066 (or 9286023 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 187316728044 in words is "one hundred eighty-seven billion, three hundred sixteen million, seven hundred twenty-eight thousand, forty-four".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 1681 3362 5043 6724 10086 20172 9285977 18571954 27857931 37143908 55715862 111431724 380725057 761450114 1142175171 1522900228 2284350342 4568700684 15609727337 31219454674 46829182011 62438909348 93658364022 187316728044