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212110000431 = 3721442925173
BaseRepresentation
bin1100010110001010111…
…1011100000100101111
3202021111022101110001220
43011202233130010233
511433400130003211
6241235245234423
721216166153500
oct3054257340457
9667438343056
10212110000431
1181a5662481a
1235137262a13
13170041b92c4
14a3a2574ba7
1557b66c2806
hex3162bdc12f

212110000431 has 12 divisors (see below), whose sum is σ = 328986939672. Its totient is φ = 121205714448.

The previous prime is 212110000423. The next prime is 212110000439. The reversal of 212110000431 is 134000011212.

It is an interprime number because it is at equal distance from previous prime (212110000423) and next prime (212110000439).

It is not a de Polignac number, because 212110000431 - 23 = 212110000423 is a prime.

It is a super-2 number, since 2×2121100004312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212110000431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110000439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721462440 + ... + 721462733.

It is an arithmetic number, because the mean of its divisors is an integer number (27415578306).

Almost surely, 2212110000431 is an apocalyptic number.

212110000431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212110000431 is a deficient number, since it is larger than the sum of its proper divisors (116876939241).

212110000431 is a wasteful number, since it uses less digits than its factorization.

212110000431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442925190 (or 1442925183 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212110000431 its reverse (134000011212), we get a palindrome (346110011643).

The spelling of 212110000431 in words is "two hundred twelve billion, one hundred ten million, four hundred thirty-one", and thus it is an aban number.

Divisors: 1 3 7 21 49 147 1442925173 4328775519 10100476211 30301428633 70703333477 212110000431