Search a number
-
+
203175972079868 = 2217231091191815693
BaseRepresentation
bin101110001100100110010111…
…101001001000100011111100
3222122101102200211102012121002
4232030212113221020203330
5203112313342323023433
62000041430353225432
760536656664501414
oct5614462751104374
9878342624365532
10203175972079868
115981349a4a8197
121a954a45b62278
13894a5480b7518
143825aab7b5644
15187511759d9e8
hexb8c997a488fc

203175972079868 has 48 divisors (see below), whose sum is σ = 396445572452160. Its totient is φ = 90616130694144.

The previous prime is 203175972079867. The next prime is 203175972079901. The reversal of 203175972079868 is 868970279571302.

203175972079868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203175972079795 and 203175972079804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203175972079867) 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, 595737371 + ... + 596078322.

It is an arithmetic number, because the mean of its divisors is an integer number (8259282759420).

Almost surely, 2203175972079868 is an apocalyptic number.

It is an amenable number.

203175972079868 is a deficient number, since it is larger than the sum of its proper divisors (193269600372292).

203175972079868 is a wasteful number, since it uses less digits than its factorization.

203175972079868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191815846 (or 1191815844 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 74.

The spelling of 203175972079868 in words is "two hundred three trillion, one hundred seventy-five billion, nine hundred seventy-two million, seventy-nine thousand, eight hundred sixty-eight".

Divisors: 1 2 4 17 23 34 46 68 92 109 218 391 436 782 1564 1853 2507 3706 5014 7412 10028 42619 85238 170476 1191815693 2383631386 4767262772 20260866781 27411760939 40521733562 54823521878 81043467124 109647043756 129907910537 259815821074 465999935963 519631642148 931999871926 1863999743852 2208434479129 2987881942351 4416868958258 5975763884702 8833737916516 11951527769404 50793993019967 101587986039934 203175972079868