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212331022320 = 24352132341491
BaseRepresentation
bin1100010110111111101…
…0100100011111110000
3202022001201021112002210
43011233322210133300
511434323220203240
6241313222412120
721224521624254
oct3055772443760
9668051245083
10212331022320
118205a36583a
1235199291040
131703ac23ba1
14a3c3a6a264
1557cacd0780
hex316fea47f0

212331022320 has 80 divisors (see below), whose sum is σ = 658272903552. Its totient is φ = 56617585920.

The previous prime is 212331022313. The next prime is 212331022381. The reversal of 212331022320 is 23220133212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 5096775 + ... + 5138265.

Almost surely, 2212331022320 is an apocalyptic number.

212331022320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212331022320 is an abundant number, since it is smaller than the sum of its proper divisors (445941881232).

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

212331022320 is a wasteful number, since it uses less digits than its factorization.

212331022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62830 (or 62824 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212331022320 its reverse (23220133212), we get a palindrome (235551155532).

The spelling of 212331022320 in words is "two hundred twelve billion, three hundred thirty-one million, twenty-two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 21323 41491 42646 63969 82982 85292 106615 124473 127938 165964 170584 207455 213230 248946 255876 319845 331928 341168 414910 426460 497892 511752 622365 639690 663856 829820 852920 995784 1023504 1244730 1279380 1659640 1705840 1991568 2489460 2558760 3319280 4978920 5117520 9957840 884712593 1769425186 2654137779 3538850372 4423562965 5308275558 7077700744 8847125930 10616551116 13270688895 14155401488 17694251860 21233102232 26541377790 35388503720 42466204464 53082755580 70777007440 106165511160 212331022320