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12352246020 = 22325149460561
BaseRepresentation
bin10111000000100000…
…00101000100000100
31011212211221010001100
423200100011010010
5200244133333040
65401411300100
7615046234032
oct134020050404
934784833040
1012352246020
115269580294
1224888aa630
13121b12611a
14852711552
154c464eb30
hex2e0405104

12352246020 has 72 divisors (see below), whose sum is σ = 37720027800. Its totient is φ = 3271818240.

The previous prime is 12352246001. The next prime is 12352246021. The reversal of 12352246020 is 2064225321.

It is a happy number.

12352246020 is a `hidden beast` number, since 1 + 2 + 3 + 52 + 2 + 4 + 602 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15256836 + 12336989184 = 3906^2 + 111072^2 .

It is not an unprimeable number, because it can be changed into a prime (12352246021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203461 + ... + 257100.

It is an arithmetic number, because the mean of its divisors is an integer number (523889275).

Almost surely, 212352246020 is an apocalyptic number.

12352246020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12352246020 is an abundant number, since it is smaller than the sum of its proper divisors (25367781780).

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

12352246020 is a wasteful number, since it uses less digits than its factorization.

12352246020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460725 (or 460720 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 12352246020 in words is "twelve billion, three hundred fifty-two million, two hundred forty-six thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 149 180 298 447 596 745 894 1341 1490 1788 2235 2682 2980 4470 5364 6705 8940 13410 26820 460561 921122 1381683 1842244 2302805 2763366 4145049 4605610 5526732 6908415 8290098 9211220 13816830 16580196 20725245 27633660 41450490 68623589 82900980 137247178 205870767 274494356 343117945 411741534 617612301 686235890 823483068 1029353835 1235224602 1372471780 2058707670 2470449204 3088061505 4117415340 6176123010 12352246020