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404021204103 = 31179154975529
BaseRepresentation
bin1011110000100011000…
…10100101010010000111
31102121211221011201000010
411320101202211102013
523104413412012403
6505334344321303
741122010400066
oct5702142452207
91377757151003
10404021204103
11146387489580
1266375a73233
132c13977525a
14157aa2761dd
15a79995b603
hex5e118a5487

404021204103 has 16 divisors (see below), whose sum is σ = 595106035200. Its totient is φ = 241761823680.

The previous prime is 404021204101. The next prime is 404021204123. The reversal of 404021204103 is 301402120404.

It is not a de Polignac number, because 404021204103 - 21 = 404021204101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404021204103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404021204101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77485158 + ... + 77490371.

It is an arithmetic number, because the mean of its divisors is an integer number (37194127200).

Almost surely, 2404021204103 is an apocalyptic number.

404021204103 is a deficient number, since it is larger than the sum of its proper divisors (191084831097).

404021204103 is a wasteful number, since it uses less digits than its factorization.

404021204103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154975622.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 404021204103 its reverse (301402120404), we get a palindrome (705423324507).

The spelling of 404021204103 in words is "four hundred four billion, twenty-one million, two hundred four thousand, one hundred three".

Divisors: 1 3 11 33 79 237 869 2607 154975529 464926587 1704730819 5114192457 12243066791 36729200373 134673734701 404021204103