Search a number
-
+
451642055245 = 51223380319421
BaseRepresentation
bin1101001001001111111…
…01101101101001001101
31121011202201012120221121
412210213331231221031
524344430331231440
6543252000400541
744426053061563
oct6444775555115
91534681176847
10451642055245
111645a41908a7
1273646016151
1333788649c94
1417c06a13a33
15bb354e834a
hex6927f6da4d

451642055245 has 16 divisors (see below), whose sum is σ = 542584179072. Its totient is φ = 360904697920.

The previous prime is 451642055233. The next prime is 451642055279. The reversal of 451642055245 is 542550246154.

It is a happy number.

It is not a de Polignac number, because 451642055245 - 29 = 451642054733 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 23245635 + ... + 23265055.

It is an arithmetic number, because the mean of its divisors is an integer number (33911511192).

Almost surely, 2451642055245 is an apocalyptic number.

It is an amenable number.

451642055245 is a deficient number, since it is larger than the sum of its proper divisors (90942123827).

451642055245 is a wasteful number, since it uses less digits than its factorization.

451642055245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24452.

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 451642055245 in words is "four hundred fifty-one billion, six hundred forty-two million, fifty-five thousand, two hundred forty-five".

Divisors: 1 5 1223 3803 6115 19015 19421 97105 4651069 23255345 23751883 73858063 118759415 369290315 90328411049 451642055245