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23144304004 = 2243461291887
BaseRepresentation
bin10101100011100000…
…100000110110000100
32012201222002110110121
4111203200200312010
5334344420212004
614344330431324
71446352223653
oct254340406604
965658073417
1023144304004
1198a73a1178
12459ab92544
13224ac45553
141197b3319a
15906d16854
hex563820d84

23144304004 has 24 divisors (see below), whose sum is σ = 41534494848. Its totient is φ = 11278475040.

The previous prime is 23144303989. The next prime is 23144304013. The reversal of 23144304004 is 40040344132.

It is a self number, because there is not a number n which added to its sum of digits gives 23144304004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66652 + ... + 225235.

It is an arithmetic number, because the mean of its divisors is an integer number (1730603952).

Almost surely, 223144304004 is an apocalyptic number.

It is an amenable number.

23144304004 is a deficient number, since it is larger than the sum of its proper divisors (18390190844).

23144304004 is a wasteful number, since it uses less digits than its factorization.

23144304004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292395 (or 292393 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23144304004 its reverse (40040344132), we get a palindrome (63184648136).

The spelling of 23144304004 in words is "twenty-three billion, one hundred forty-four million, three hundred four thousand, four".

Divisors: 1 2 4 43 86 172 461 922 1844 19823 39646 79292 291887 583774 1167548 12551141 25102282 50204564 134559907 269119814 538239628 5786076001 11572152002 23144304004