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213214101245 = 5231919706993
BaseRepresentation
bin1100011010010010001…
…1001111111011111101
3202101100020221120122122
43012210203033323331
511443130302214440
6241541010052325
721255433646345
oct3064443177375
9671306846578
10213214101245
1182472890032
12353a4b7a0a5
131714bb746b2
14a46905dd25
15582d5b87b5
hex31a48cfefd

213214101245 has 16 divisors (see below), whose sum is σ = 268378970112. Its totient is φ = 162300906240.

The previous prime is 213214101173. The next prime is 213214101271. The reversal of 213214101245 is 542101412312.

It is a happy number.

It is not a de Polignac number, because 213214101245 - 214 = 213214084861 is a prime.

It is a super-2 number, since 2×2132141012452 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4831532 + ... + 4875461.

It is an arithmetic number, because the mean of its divisors is an integer number (16773685632).

Almost surely, 2213214101245 is an apocalyptic number.

It is an amenable number.

213214101245 is a deficient number, since it is larger than the sum of its proper divisors (55164868867).

213214101245 is a wasteful number, since it uses less digits than its factorization.

213214101245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9707212.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 213214101245 its reverse (542101412312), we get a palindrome (755315513557).

The spelling of 213214101245 in words is "two hundred thirteen billion, two hundred fourteen million, one hundred one thousand, two hundred forty-five".

Divisors: 1 5 23 115 191 955 4393 21965 9706993 48534965 223260839 1116304195 1854035663 9270178315 42642820249 213214101245