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1213010022 = 23735980449
BaseRepresentation
bin100100001001101…
…0001000001100110
310010112111021221010
41020103101001212
54441012310042
6320211003050
742026262240
oct11023210146
93115437833
101213010022
11572792424
1229a299486
131643cb113
14b7159090
157175a59c
hex484d1066

1213010022 has 32 divisors (see below), whose sum is σ = 2780352000. Its totient is φ = 345604608.

The previous prime is 1213010021. The next prime is 1213010069. The reversal of 1213010022 is 2200103121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25147 + ... + 55302.

It is an arithmetic number, because the mean of its divisors is an integer number (86886000).

Almost surely, 21213010022 is an apocalyptic number.

1213010022 is an abundant number, since it is smaller than the sum of its proper divisors (1567341978).

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

1213010022 is a wasteful number, since it uses less digits than its factorization.

1213010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80820.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1213010022 is about 34828.2934121096. The cubic root of 1213010022 is about 1066.4851100931.

Adding to 1213010022 its reverse (2200103121), we get a palindrome (3413113143).

The spelling of 1213010022 in words is "one billion, two hundred thirteen million, ten thousand, twenty-two".

Divisors: 1 2 3 6 7 14 21 42 359 718 1077 2154 2513 5026 7539 15078 80449 160898 241347 482694 563143 1126286 1689429 3378858 28881191 57762382 86643573 173287146 202168337 404336674 606505011 1213010022