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211210000120 = 23571017468529
BaseRepresentation
bin1100010010110100011…
…0001101011011111000
3202012011120212200202001
43010231012031123320
511430024230000440
6241010055150344
721154660244050
oct3045506153370
9665146780661
10211210000120
11816345a2209
1234b259753b4
1316bbc8c2742
14a318c18560
155762695b9a
hex312d18d6f8

211210000120 has 64 divisors (see below), whose sum is σ = 548488843200. Its totient is φ = 71697868800.

The previous prime is 211210000117. The next prime is 211210000123. The reversal of 211210000120 is 21000012112.

211210000120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211210000117) and next prime (211210000123).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 211210000097 and 211210000106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3705985 + ... + 3762544.

It is an arithmetic number, because the mean of its divisors is an integer number (8570138175).

Almost surely, 2211210000120 is an apocalyptic number.

211210000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211210000120 is an abundant number, since it is smaller than the sum of its proper divisors (337278843080).

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

211210000120 is a wasteful number, since it uses less digits than its factorization.

211210000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468648 (or 7468644 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211210000120 its reverse (21000012112), we get a palindrome (232210012232).

The spelling of 211210000120 in words is "two hundred eleven billion, two hundred ten million, one hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 101 140 202 280 404 505 707 808 1010 1414 2020 2828 3535 4040 5656 7070 14140 28280 7468529 14937058 29874116 37342645 52279703 59748232 74685290 104559406 149370580 209118812 261398515 298741160 418237624 522797030 754321429 1045594060 1508642858 2091188120 3017285716 3771607145 5280250003 6034571432 7543214290 10560500006 15086428580 21121000012 26401250015 30172857160 42242000024 52802500030 105605000060 211210000120