Search a number
-
+
211011202103312 = 24131759675113717
BaseRepresentation
bin101111111110100111011111…
…101111101011100000010000
31000200010110210111000112202002
4233332213133233223200100
5210124201420214301222
62024441112533013132
762306025204021362
oct5776473757534020
91020113714015662
10211011202103312
116126439159a286
121b7bb4747841a8
13909836a450020
143a16dd4c38d32
15195dd43e0a392
hexbfe9dfbeb810

211011202103312 has 40 divisors (see below), whose sum is σ = 466181988365016. Its totient is φ = 91660974667776.

The previous prime is 211011202103311. The next prime is 211011202103321. The reversal of 211011202103312 is 213301202110112.

It can be written as a sum of positive squares in 4 ways, for example, as 861414159376 + 210149787943936 = 928124^2 + 14496544^2 .

It is a super-2 number, since 2×2110112021033122 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211011202103311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29837553323 + ... + 29837560394.

Almost surely, 2211011202103312 is an apocalyptic number.

It is an amenable number.

211011202103312 is an abundant number, since it is smaller than the sum of its proper divisors (255170786261704).

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

211011202103312 is a wasteful number, since it uses less digits than its factorization.

211011202103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59675113755 (or 59675113749 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211011202103312 its reverse (213301202110112), we get a palindrome (424312404213424).

The spelling of 211011202103312 in words is "two hundred eleven trillion, eleven billion, two hundred two million, one hundred three thousand, three hundred twelve".

Divisors: 1 2 4 8 13 16 17 26 34 52 68 104 136 208 221 272 442 884 1768 3536 59675113717 119350227434 238700454868 477400909736 775776478321 954801819472 1014476933189 1551552956642 2028953866378 3103105913284 4057907732756 6206211826568 8115815465512 12412423653136 13188200131457 16231630931024 26376400262914 52752800525828 105505601051656 211011202103312