Search a number
-
+
387272607679055 = 57253031663117923
BaseRepresentation
bin101100000001110001110111…
…0001101100100001001001111
31212210012220021220012112102002
41120003203232031210021033
5401230033300031212210
63451354325131022515
7144400344146120300
oct13003435615441117
91783186256175362
10387272607679055
1110244043294a02a
123752803889aa3b
131381285b65a407
146b8c14679a7a7
152eb8cb14274a5
hex16038ee36424f

387272607679055 has 48 divisors (see below), whose sum is σ = 540765570369024. Its totient is φ = 265477504944960.

The previous prime is 387272607679033. The next prime is 387272607679093. The reversal of 387272607679055 is 550976706272783.

It is not a de Polignac number, because 387272607679055 - 28 = 387272607678799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21607568324 + ... + 21607586246.

It is an arithmetic number, because the mean of its divisors is an integer number (11265949382688).

Almost surely, 2387272607679055 is an apocalyptic number.

387272607679055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

387272607679055 is a deficient number, since it is larger than the sum of its proper divisors (153492962689969).

387272607679055 is a wasteful number, since it uses less digits than its factorization.

387272607679055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39876 (or 39869 counting only the distinct ones).

The product of its (nonzero) digits is 1867017600, while the sum is 74.

The spelling of 387272607679055 in words is "three hundred eighty-seven trillion, two hundred seventy-two billion, six hundred seven million, six hundred seventy-nine thousand, fifty-five".

Divisors: 1 5 7 35 49 245 5303 16631 17923 26515 37121 83155 89615 116417 125461 185605 259847 582085 627305 814919 878227 1299235 4074595 4391135 88194193 95045669 298077413 440970965 475228345 617359351 665319683 1490387065 2086541891 3086796755 3326598415 4321515457 4657237781 10432709455 14605793237 21607577285 23286188905 73028966185 1580704521139 7903522605695 11064931647973 55324658239865 77454521535811 387272607679055