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12210421304 = 239786318233
BaseRepresentation
bin10110101111100110…
…00011111000111000
31011111222001200010002
423113303003320320
5200001331440204
65335343412132
7611404603634
oct132763037070
934458050102
1012210421304
1151a6512284
1224492b4048
1311c792a383
1483b953dc4
154b6e8791e
hex2d7cc3e38

12210421304 has 32 divisors (see below), whose sum is σ = 23158638720. Its totient is φ = 6034937856.

The previous prime is 12210421277. The next prime is 12210421337. The reversal of 12210421304 is 40312401221.

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 7 ways as a sum of consecutive naturals, for example, 660572 + ... + 678804.

It is an arithmetic number, because the mean of its divisors is an integer number (723707460).

Almost surely, 212210421304 is an apocalyptic number.

It is an amenable number.

12210421304 is a deficient number, since it is larger than the sum of its proper divisors (10948217416).

12210421304 is a wasteful number, since it uses less digits than its factorization.

12210421304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19199 (or 19195 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12210421304 its reverse (40312401221), we get a palindrome (52522822525).

The spelling of 12210421304 in words is "twelve billion, two hundred ten million, four hundred twenty-one thousand, three hundred four".

Divisors: 1 2 4 8 97 194 388 776 863 1726 3452 6904 18233 36466 72932 83711 145864 167422 334844 669688 1768601 3537202 7074404 14148808 15735079 31470158 62940316 125880632 1526302663 3052605326 6105210652 12210421304