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210120001112 = 23723117290981
BaseRepresentation
bin1100001110110000100…
…0001100011001011000
3202002100121212000012102
43003230020030121120
511420311210013422
6240310000502532
721115653353300
oct3035410143130
9662317760172
10210120001112
118112529888a
123488091aa48
1316a77b33c08
14a254160600
1556ebb38192
hex30ec20c658

210120001112 has 48 divisors (see below), whose sum is σ = 473081267520. Its totient is φ = 87146539200.

The previous prime is 210120001103. The next prime is 210120001123. The reversal of 210120001112 is 211100021012.

It is a junction number, because it is equal to n+sod(n) for n = 210120001093 and 210120001102.

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, 8633339 + ... + 8657642.

It is an arithmetic number, because the mean of its divisors is an integer number (9855859740).

Almost surely, 2210120001112 is an apocalyptic number.

It is an amenable number.

210120001112 is an abundant number, since it is smaller than the sum of its proper divisors (262961266408).

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

210120001112 is a wasteful number, since it uses less digits than its factorization.

210120001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17291032 (or 17291021 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210120001112 its reverse (211100021012), we get a palindrome (421220022124).

The spelling of 210120001112 in words is "two hundred ten billion, one hundred twenty million, one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 31 49 56 62 98 124 196 217 248 392 434 868 1519 1736 3038 6076 12152 17290981 34581962 69163924 121036867 138327848 242073734 484147468 536020411 847258069 968294936 1072040822 1694516138 2144081644 3389032276 3752142877 4288163288 6778064552 7504285754 15008571508 26265000139 30017143016 52530000278 105060000556 210120001112