Search a number
-
+
451968049968054 = 23434785743491997
BaseRepresentation
bin110011011000100000000001…
…1000100010111001110110110
32012021021201112111122102221020
41212301000003010113032312
5433220021031242434204
64241131131125202010
7164125420420153404
oct14661000304271666
92167251474572836
10451968049968054
11121013634473694
1242836529560306
131652653413c639
147d875282c8474
15373bad5d4ebd9
hex19b10031173b6

451968049968054 has 64 divisors (see below), whose sum is σ = 945740107293696. Its totient is φ = 143853430097664.

The previous prime is 451968049968047. The next prime is 451968049968133. The reversal of 451968049968054 is 450869940869154.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11354017 + ... + 32137980.

It is an arithmetic number, because the mean of its divisors is an integer number (14777189176464).

Almost surely, 2451968049968054 is an apocalyptic number.

451968049968054 is an abundant number, since it is smaller than the sum of its proper divisors (493772057325642).

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

451968049968054 is a wasteful number, since it uses less digits than its factorization.

451968049968054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43492949.

The product of its (nonzero) digits is 2687385600, while the sum is 78.

The spelling of 451968049968054 in words is "four hundred fifty-one trillion, nine hundred sixty-eight billion, forty-nine million, nine hundred sixty-eight thousand, fifty-four".

Divisors: 1 2 3 6 43 47 86 94 129 141 258 282 857 1714 2021 2571 4042 5142 6063 12126 36851 40279 73702 80558 110553 120837 221106 241674 1731997 3463994 5195991 10391982 43491997 86983994 130475991 260951982 1870155871 2044123859 3740311742 4088247718 5610467613 6132371577 11220935226 12264743154 37272641429 74545282858 87897325937 111817924287 175794651874 223635848574 263691977811 527383955622 1602723581447 1751814147163 3205447162894 3503628294326 4808170744341 5255442441489 9616341488682 10510884882978 75328008328009 150656016656018 225984024984027 451968049968054