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211311201012 = 22341210475471
BaseRepresentation
bin1100010011001100100…
…0010000101011110100
3202012102122022020021020
43010303020100223310
511430231131413022
6241024112221140
721160326400302
oct3046310205364
9665378266236
10211311201012
1181686733a0a
1234b5383a7b0
1316c07866a22
14a32843d272
15576b4d635c
hex3133210af4

211311201012 has 36 divisors (see below), whose sum is σ = 505378671168. Its totient is φ = 68719083200.

The previous prime is 211311200981. The next prime is 211311201043. The reversal of 211311201012 is 210102113112.

It is an interprime number because it is at equal distance from previous prime (211311200981) and next prime (211311201043).

It is a junction number, because it is equal to n+sod(n) for n = 211311200982 and 211311201000.

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, 5217564 + ... + 5257907.

Almost surely, 2211311201012 is an apocalyptic number.

It is an amenable number.

211311201012 is an abundant number, since it is smaller than the sum of its proper divisors (294067470156).

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

211311201012 is a wasteful number, since it uses less digits than its factorization.

211311201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10475560 (or 10475517 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 211311201012 its reverse (210102113112), we get a palindrome (421413314124).

The spelling of 211311201012 in words is "two hundred eleven billion, three hundred eleven million, two hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 1681 3362 5043 6724 10086 20172 10475471 20950942 31426413 41901884 62852826 125705652 429494311 858988622 1288482933 1717977244 2576965866 5153931732 17609266751 35218533502 52827800253 70437067004 105655600506 211311201012