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12210112432 = 247215574123
BaseRepresentation
bin10110101111100011…
…11000011110110000
31011111221110222102101
423113301320132300
5200001242044212
65335333030144
7611402146300
oct132761703660
934457428371
1012210112432
1151a6321211
122449185354
1311c784c8cb
1483b8b3600
154b6e26157
hex2d7c787b0

12210112432 has 30 divisors (see below), whose sum is σ = 27519477108. Its totient is φ = 5232904992.

The previous prime is 12210112381. The next prime is 12210112531. The reversal of 12210112432 is 23421101221.

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 5 ways as a sum of consecutive naturals, for example, 7786278 + ... + 7787845.

Almost surely, 212210112432 is an apocalyptic number.

It is an amenable number.

12210112432 is an abundant number, since it is smaller than the sum of its proper divisors (15309364676).

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

12210112432 is a wasteful number, since it uses less digits than its factorization.

12210112432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15574145 (or 15574132 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12210112432 its reverse (23421101221), we get a palindrome (35631213653).

The spelling of 12210112432 in words is "twelve billion, two hundred ten million, one hundred twelve thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 15574123 31148246 62296492 109018861 124592984 218037722 249185968 436075444 763132027 872150888 1526264054 1744301776 3052528108 6105056216 12210112432