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210201222112 = 2571396751067
BaseRepresentation
bin1100001111000011111…
…0000001101111100000
3202002120021200110110121
43003300332001233200
511420443003101422
6240322021410024
721120660623230
oct3036076015740
9662507613417
10210201222112
1181167123382
12348a3b69914
1316a8b900c8b
14a260c63cc0
155703d2d8c7
hex30f0f81be0

210201222112 has 48 divisors (see below), whose sum is σ = 476355358080. Its totient is φ = 89438122368.

The previous prime is 210201222097. The next prime is 210201222113. The reversal of 210201222112 is 211222102012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201222113) 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, 3344398 + ... + 3406669.

It is an arithmetic number, because the mean of its divisors is an integer number (9924069960).

Almost surely, 2210201222112 is an apocalyptic number.

It is an amenable number.

210201222112 is an abundant number, since it is smaller than the sum of its proper divisors (266154135968).

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

210201222112 is a wasteful number, since it uses less digits than its factorization.

210201222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751223 (or 6751215 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210201222112 its reverse (211222102012), we get a palindrome (421423324124).

The spelling of 210201222112 in words is "two hundred ten billion, two hundred one million, two hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 139 224 278 556 973 1112 1946 2224 3892 4448 7784 15568 31136 6751067 13502134 27004268 47257469 54008536 94514938 108017072 189029876 216034144 378059752 756119504 938398313 1512239008 1876796626 3753593252 6568788191 7507186504 13137576382 15014373008 26275152764 30028746016 52550305528 105100611056 210201222112