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212120232302 = 21153181921297
BaseRepresentation
bin1100010110001101011…
…0011110000101101110
3202021112000122021120002
43011203112132011232
511433410234413202
6241240252424302
721216352140146
oct3054326360556
9667460567502
10212120232302
1181a61383110
123513a778092
131700635c574
14a3a3a79926
1557b7544302
hex316359e16e

212120232302 has 16 divisors (see below), whose sum is σ = 353655003312. Its totient is φ = 94599073920.

The previous prime is 212120232283. The next prime is 212120232319. The reversal of 212120232302 is 203232021212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90959483 + ... + 90961814.

It is an arithmetic number, because the mean of its divisors is an integer number (22103437707).

Almost surely, 2212120232302 is an apocalyptic number.

212120232302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212120232302 is a deficient number, since it is larger than the sum of its proper divisors (141534771010).

212120232302 is a wasteful number, since it uses less digits than its factorization.

212120232302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181921363.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212120232302 its reverse (203232021212), we get a palindrome (415352253514).

The spelling of 212120232302 in words is "two hundred twelve billion, one hundred twenty million, two hundred thirty-two thousand, three hundred two".

Divisors: 1 2 11 22 53 106 583 1166 181921297 363842594 2001134267 4002268534 9641828741 19283657482 106060116151 212120232302