Search a number
-
+
211131202032 = 24321977167837
BaseRepresentation
bin1100010010100001100…
…1100111100111110000
3202011222002121100002100
43010220121213213300
511424344041431112
6240554202220400
721153012415032
oct3045031474760
9664862540070
10211131202032
11815a4072023
1234b034b4700
1316ba949345a
14a30c585c52
15575a7cd2dc
hex31286679f0

211131202032 has 60 divisors (see below), whose sum is σ = 621972774280. Its totient is φ = 66673010304.

The previous prime is 211131202001. The next prime is 211131202069. The reversal of 211131202032 is 230202131112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211131201996 and 211131202014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38581183 + ... + 38586654.

Almost surely, 2211131202032 is an apocalyptic number.

It is an amenable number.

211131202032 is an abundant number, since it is smaller than the sum of its proper divisors (410841572248).

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

211131202032 is a wasteful number, since it uses less digits than its factorization.

211131202032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77167870 (or 77167861 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211131202032 its reverse (230202131112), we get a palindrome (441333333144).

The spelling of 211131202032 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 342 456 684 912 1368 2736 77167837 154335674 231503511 308671348 463007022 617342696 694510533 926014044 1234685392 1389021066 1466188903 1852028088 2778042132 2932377806 3704056176 4398566709 5556084264 5864755612 8797133418 11112168528 11729511224 13195700127 17594266836 23459022448 26391400254 35188533672 52782800508 70377067344 105565601016 211131202032