Search a number
-
+
211863680030723 = 7192069517697281
BaseRepresentation
bin110000001011000001011011…
…011000111001100000000011
31000210010222012010122012201212
4300023001123120321200003
5210232133304041440343
62030332455253320335
762424434331604340
oct6013013330714003
91023128163565655
10211863680030723
1161562978114616
121b9187259360ab
13912a87563ac46
143a46384a377c7
1519760d93acc18
hexc0b05b639803

211863680030723 has 16 divisors (see below), whose sum is σ = 254874864714240. Its totient is φ = 172038826368000.

The previous prime is 211863680030687. The next prime is 211863680030773. The reversal of 211863680030723 is 327030086368112.

It is not a de Polignac number, because 211863680030723 - 216 = 211863679965187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211863680030773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23675843 + ... + 31373123.

It is an arithmetic number, because the mean of its divisors is an integer number (15929679044640).

Almost surely, 2211863680030723 is an apocalyptic number.

211863680030723 is a deficient number, since it is larger than the sum of its proper divisors (43011184683517).

211863680030723 is a wasteful number, since it uses less digits than its factorization.

211863680030723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7904258.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 211863680030723 in words is "two hundred eleven trillion, eight hundred sixty-three billion, six hundred eighty million, thirty thousand, seven hundred twenty-three".

Divisors: 1 7 19 133 206951 1448657 3932069 7697281 27524483 53880967 146248339 1023738373 1592960000231 11150720001617 30266240004389 211863680030723