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12203420342 = 2295315312593
BaseRepresentation
bin10110101110110000…
…10110101010110110
31011111110212222121012
423113120112222312
5144443033422332
65334533352222
7611261234651
oct132730265266
934443788535
1012203420342
1151a2570363
122446a98672
1311c63488a9
1483aa50898
154b65533b2
hex2d7616ab6

12203420342 has 32 divisors (see below), whose sum is σ = 19313678880. Its totient is φ = 5774146560.

The previous prime is 12203420321. The next prime is 12203420381. The reversal of 12203420342 is 24302430221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4704998 + ... + 4707590.

It is an arithmetic number, because the mean of its divisors is an integer number (603552465).

Almost surely, 212203420342 is an apocalyptic number.

12203420342 is a deficient number, since it is larger than the sum of its proper divisors (7110258538).

12203420342 is a wasteful number, since it uses less digits than its factorization.

12203420342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12203420342 its reverse (24302430221), we get a palindrome (36505850563).

The spelling of 12203420342 in words is "twelve billion, two hundred three million, four hundred twenty thousand, three hundred forty-two".

Divisors: 1 2 29 53 58 106 1531 1537 2593 3062 3074 5186 44399 75197 81143 88798 137429 150394 162286 274858 2353147 3969883 3985441 4706294 7939766 7970882 115126607 210403799 230253214 420807598 6101710171 12203420342