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2212112222010 = 232582729720707
BaseRepresentation
bin100000001100001100001…
…010011100011100111010
321211110211220102011110200
4200030030022130130322
5242220401212101020
64412121430023030
7315551126433465
oct40141412343472
97743756364420
102212112222010
11783173752719
122b887baa7a76
131307a804a902
14790d14422dc
153c81e98d590
hex2030c29c73a

2212112222010 has 48 divisors (see below), whose sum is σ = 5758446616416. Its totient is φ = 589183275744.

The previous prime is 2212112221993. The next prime is 2212112222039. The reversal of 2212112222010 is 102222112122.

It is a happy number.

2212112222010 is a `hidden beast` number, since 221 + 21 + 1 + 222 + 201 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14785924 + ... + 14934783.

It is an arithmetic number, because the mean of its divisors is an integer number (119967637842).

Almost surely, 22212112222010 is an apocalyptic number.

2212112222010 is an abundant number, since it is smaller than the sum of its proper divisors (3546334394406).

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

2212112222010 is a wasteful number, since it uses less digits than its factorization.

2212112222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29721547 (or 29721544 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2212112222010 its reverse (102222112122), we get a palindrome (2314334334132).

The spelling of 2212112222010 in words is "two trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 827 1654 2481 4135 4962 7443 8270 12405 14886 24810 37215 74430 29720707 59441414 89162121 148603535 178324242 267486363 297207070 445810605 534972726 891621210 1337431815 2674863630 24579024689 49158049378 73737074067 122895123445 147474148134 221211222201 245790246890 368685370335 442422444402 737370740670 1106056111005 2212112222010