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212321323030302 = 23312078413255293
BaseRepresentation
bin110000010001101011101001…
…000010011001011100011110
31000211202201110001200100202000
4300101223221002121130132
5210312133032143432202
62031323022543143130
762502465213116613
oct6021535102313436
91024681401610660
10212321323030302
1161719a70710742
121b9913655a4aa6
139161a792c4755
143a6059a62450a
151982e7162891c
hexc11ae909971e

212321323030302 has 32 divisors (see below), whose sum is σ = 471825697865760. Its totient is φ = 70773694007040.

The previous prime is 212321323030247. The next prime is 212321323030343. The reversal of 212321323030302 is 203030323123212.

212321323030302 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 2 + 1 + 323 + 0 + 30 + 302 = 666.

It is a super-2 number, since 2×2123213230303022 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63595768 + ... + 66851060.

It is an arithmetic number, because the mean of its divisors is an integer number (14744553058305).

Almost surely, 2212321323030302 is an apocalyptic number.

212321323030302 is an abundant number, since it is smaller than the sum of its proper divisors (259504374835458).

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

212321323030302 is a wasteful number, since it uses less digits than its factorization.

212321323030302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463145 (or 4463139 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 212321323030302 its reverse (203030323123212), we get a palindrome (415351646153514).

The spelling of 212321323030302 in words is "two hundred twelve trillion, three hundred twenty-one billion, three hundred twenty-three million, thirty thousand, three hundred two".

Divisors: 1 2 3 6 9 18 27 54 1207841 2415682 3255293 3623523 6510586 7247046 9765879 10870569 19531758 21741138 29297637 32611707 58595274 65223414 87892911 175785822 3931876352413 7863752704826 11795629057239 23591258114478 35386887171717 70773774343434 106160661515151 212321323030302