Search a number
-
+
672550903986 = 231373118115719
BaseRepresentation
bin10011100100101110010…
…10000110000010110010
32101021222020011211210020
421302113022012002302
542004341012411421
61232544323544310
766406303234353
oct11622712060262
92337866154706
10672550903986
1123a2554a7585
12aa417b2b096
134b562717cb0
14247a199bd2a
15127643b1dc6
hex9c972860b2

672550903986 has 32 divisors (see below), whose sum is σ = 1468414631040. Its totient is φ = 204103960704.

The previous prime is 672550903961. The next prime is 672550903991. The reversal of 672550903986 is 689309055276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59052166 + ... + 59063553.

It is an arithmetic number, because the mean of its divisors is an integer number (45887957220).

Almost surely, 2672550903986 is an apocalyptic number.

672550903986 is an abundant number, since it is smaller than the sum of its proper divisors (795863727054).

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

672550903986 is a wasteful number, since it uses less digits than its factorization.

672550903986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118115810.

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 672550903986 in words is "six hundred seventy-two billion, five hundred fifty million, nine hundred three thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 13 26 39 73 78 146 219 438 949 1898 2847 5694 118115719 236231438 354347157 708694314 1535504347 3071008694 4606513041 8622447487 9213026082 17244894974 25867342461 51734684922 112091817331 224183634662 336275451993 672550903986