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12103421404 = 2271193439503
BaseRepresentation
bin10110100010110101…
…11000110111011100
31011020111201111211211
423101122320313130
5144241433441104
65321002154204
7605635245604
oct132132706734
934214644754
1012103421404
11515107a708
1224194b2964
1311ab705719
1482b65dc04
154ac89de04
hex2d16b8ddc

12103421404 has 48 divisors (see below), whose sum is σ = 21682805760. Its totient is φ = 5910266880.

The previous prime is 12103421381. The next prime is 12103421413. The reversal of 12103421404 is 40412430121.

It is a happy number.

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, 24062217 + ... + 24062719.

It is an arithmetic number, because the mean of its divisors is an integer number (451725120).

Almost surely, 212103421404 is an apocalyptic number.

It is an amenable number.

12103421404 is a deficient number, since it is larger than the sum of its proper divisors (9579384356).

12103421404 is a wasteful number, since it uses less digits than its factorization.

12103421404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12103421404 its reverse (40412430121), we get a palindrome (52515851525).

The spelling of 12103421404 in words is "twelve billion, one hundred three million, four hundred twenty-one thousand, four hundred four".

Divisors: 1 2 4 71 142 193 284 386 439 503 772 878 1006 1756 2012 13703 27406 31169 35713 54812 62338 71426 84727 97079 124676 142852 169454 194158 220817 338908 388316 441634 883268 6015617 6892609 12031234 13785218 15678007 24062468 27570436 31356014 42617681 62712028 85235362 170470724 3025855351 6051710702 12103421404