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120213113233231 = 234722366073833
BaseRepresentation
bin11011010101010101001011…
…111010010101111101001111
3120202122021001112220222200201
4123111111023322111331033
5111224032423441430411
61103401050345034331
734215053003604634
oct3325251372257517
9522567045828621
10120213113233231
113533810551a647
12115961344859a7
135210081415745
1421984ba95418b
15dd7043e473c1
hex6d554be95f4f

120213113233231 has 12 divisors (see below), whose sum is σ = 128165487440112. Its totient is φ = 112539935745248.

The previous prime is 120213113233219. The next prime is 120213113233247. The reversal of 120213113233231 is 132332311312021.

It is not a de Polignac number, because 120213113233231 - 215 = 120213113200463 is a prime.

It is a super-2 number, since 2×1202131132332312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120213113233231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213113231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1182986110 + ... + 1183087723.

It is an arithmetic number, because the mean of its divisors is an integer number (10680457286676).

Almost surely, 2120213113233231 is an apocalyptic number.

120213113233231 is a deficient number, since it is larger than the sum of its proper divisors (7952374206881).

120213113233231 is an equidigital number, since it uses as much as digits as its factorization.

120213113233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366073950 (or 2366073903 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 120213113233231 its reverse (132332311312021), we get a palindrome (252545424545252).

The spelling of 120213113233231 in words is "one hundred twenty trillion, two hundred thirteen billion, one hundred thirteen million, two hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 23 47 1081 2209 50807 2366073833 54419698159 111205470151 2557725813473 5226657097097 120213113233231