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12210401004 = 2234872089391
BaseRepresentation
bin10110101111100101…
…11110111011101100
31011111222000122021020
423113302332323230
5200001330313004
65335343134140
7611404460514
oct132762767354
934458018236
1012210401004
1151a64a8aaa
1224492a4350
1311c7921069
1483b94a844
154b6e818d9
hex2d7cbeeec

12210401004 has 24 divisors (see below), whose sum is σ = 28549452288. Its totient is φ = 4061774160.

The previous prime is 12210400987. The next prime is 12210401017. The reversal of 12210401004 is 40010401221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038852 + ... + 1050539.

It is an arithmetic number, because the mean of its divisors is an integer number (1189560512).

Almost surely, 212210401004 is an apocalyptic number.

It is an amenable number.

12210401004 is an abundant number, since it is smaller than the sum of its proper divisors (16339051284).

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

12210401004 is a wasteful number, since it uses less digits than its factorization.

12210401004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089885 (or 2089883 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12210401004 its reverse (40010401221), we get a palindrome (52220802225).

The spelling of 12210401004 in words is "twelve billion, two hundred ten million, four hundred one thousand, four".

Divisors: 1 2 3 4 6 12 487 974 1461 1948 2922 5844 2089391 4178782 6268173 8357564 12536346 25072692 1017533417 2035066834 3052600251 4070133668 6105200502 12210401004