Search a number
-
+
450668627157 = 3778979271723
BaseRepresentation
bin1101000111011011111…
…00011000010011010101
31121002020212112022122110
412203231330120103111
524340432132032112
6543011224421233
744362663061040
oct6435574302325
91532225468573
10450668627157
11164144766981
1273414017819
1333661a84628
1417b53621c57
15bac9d1513c
hex68edf184d5

450668627157 has 16 divisors (see below), whose sum is σ = 686744368640. Its totient is φ = 257520721392.

The previous prime is 450668627117. The next prime is 450668627159. The reversal of 450668627157 is 751726866054.

It is not a de Polignac number, because 450668627157 - 28 = 450668626901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450668627097 and 450668627106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450668627159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522698 + ... + 1794420.

It is an arithmetic number, because the mean of its divisors is an integer number (42921523040).

Almost surely, 2450668627157 is an apocalyptic number.

It is an amenable number.

450668627157 is a deficient number, since it is larger than the sum of its proper divisors (236075741483).

450668627157 is a wasteful number, since it uses less digits than its factorization.

450668627157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350712.

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 450668627157 in words is "four hundred fifty billion, six hundred sixty-eight million, six hundred twenty-seven thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 78979 236937 271723 552853 815169 1658559 1902061 5706183 21460410817 64381232451 150222875719 450668627157