Search a number
-
+
31141722206 = 27231131914481
BaseRepresentation
bin11101000000001100…
…001111100001011110
32222101022122101210202
4131000030033201132
51002234240102311
622150055103502
72151502162010
oct350014174136
988338571722
1031141722206
1112230765901
126051371b92
132c23a9347a
141715d281b0
15c23ea1e3b
hex74030f85e

31141722206 has 64 divisors (see below), whose sum is σ = 56506761216. Its totient is φ = 12584140800.

The previous prime is 31141722193. The next prime is 31141722263. The reversal of 31141722206 is 60222714113.

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, 6947486 + ... + 6951966.

It is an arithmetic number, because the mean of its divisors is an integer number (882918144).

Almost surely, 231141722206 is an apocalyptic number.

31141722206 is a deficient number, since it is larger than the sum of its proper divisors (25365039010).

31141722206 is a wasteful number, since it uses less digits than its factorization.

31141722206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 31141722206 in words is "thirty-one billion, one hundred forty-one million, seven hundred twenty-two thousand, two hundred six".

Divisors: 1 2 7 14 23 46 113 161 191 226 322 382 791 1337 1582 2599 2674 4393 4481 5198 8786 8962 18193 21583 30751 31367 36386 43166 61502 62734 103063 151081 206126 302162 496409 506353 721441 855871 992818 1012706 1442882 1711742 3474863 3544471 5991097 6949726 7088942 11646119 11982194 19685033 23292238 39370066 81522833 96713423 137795231 163045666 193426846 275590462 676993961 1353987922 2224408729 4448817458 15570861103 31141722206