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12074483421 = 32721113191467
BaseRepresentation
bin10110011111011000…
…11111111011011101
31011011111021022101200
423033230133323131
5144212031432141
65314050030113
7605134262400
oct131754377335
934144238350
1012074483421
115136805120
12240b878339
1311a5712c60
14827889d37
154aa084ab6
hex2cfb1fedd

12074483421 has 72 divisors (see below), whose sum is σ = 23835468384. Its totient is φ = 5789931840.

The previous prime is 12074483387. The next prime is 12074483423. The reversal of 12074483421 is 12438447021.

12074483421 is a `hidden beast` number, since 1 + 207 + 448 + 3 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 12074483421 - 210 = 12074482397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12074483423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 32671 + ... + 158796.

It is an arithmetic number, because the mean of its divisors is an integer number (331048172).

Almost surely, 212074483421 is an apocalyptic number.

12074483421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12074483421 is a deficient number, since it is larger than the sum of its proper divisors (11760984963).

12074483421 is a wasteful number, since it uses less digits than its factorization.

12074483421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191511 (or 191501 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 12074483421 in words is "twelve billion, seventy-four million, four hundred eighty-three thousand, four hundred twenty-one".

Divisors: 1 3 7 9 11 13 21 33 39 49 63 77 91 99 117 143 147 231 273 429 441 539 637 693 819 1001 1287 1617 1911 3003 4851 5733 7007 9009 21021 63063 191467 574401 1340269 1723203 2106137 2489071 4020807 6318411 7467213 9381883 12062421 14742959 17423497 18955233 22401639 27379781 28145649 44228877 52270491 82139343 84436947 103200713 121964479 132686631 156811473 191658467 246418029 309602139 365893437 574975401 928806417 1097680311 1341609269 1724926203 4024827807 12074483421