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12352121350 = 2521913002233
BaseRepresentation
bin10111000000011111…
…00110101000000110
31011212211200210000221
423200033212220012
5200244120340400
65401404454554
7615045204412
oct134017465006
934784623027
1012352121350
1152694a5658
12248884a45a
13121b0b145a
148526bbd42
154c4627c1a
hex2e03e6a06

12352121350 has 24 divisors (see below), whose sum is σ = 24184155240. Its totient is φ = 4680803520.

The previous prime is 12352121347. The next prime is 12352121357. The reversal of 12352121350 is 5312125321.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352121357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6500167 + ... + 6502066.

It is an arithmetic number, because the mean of its divisors is an integer number (1007673135).

Almost surely, 212352121350 is an apocalyptic number.

12352121350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12352121350 is a deficient number, since it is larger than the sum of its proper divisors (11832033890).

12352121350 is a wasteful number, since it uses less digits than its factorization.

12352121350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002264 (or 13002259 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 12352121350 its reverse (5312125321), we get a palindrome (17664246671).

The spelling of 12352121350 in words is "twelve billion, three hundred fifty-two million, one hundred twenty-one thousand, three hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 13002233 26004466 65011165 130022330 247042427 325055825 494084854 650111650 1235212135 2470424270 6176060675 12352121350