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181348364004 = 22315112363667
BaseRepresentation
bin1010100011100100110…
…1000110111011100100
3122100002110221101221020
42220321031012323210
510432400140122004
6215151004451140
716046660442333
oct2507115067344
9570073841836
10181348364004
116aa00472aa5
122b191249ab0
13141410b4082
148ac4d09d1a
154ab5c9d8d9
hex2a39346ee4

181348364004 has 12 divisors (see below), whose sum is σ = 423146182704. Its totient is φ = 60449454664.

The previous prime is 181348363981. The next prime is 181348364023. The reversal of 181348364004 is 400463843181.

181348364004 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 7556181822 + ... + 7556181845.

It is an arithmetic number, because the mean of its divisors is an integer number (35262181892).

Almost surely, 2181348364004 is an apocalyptic number.

It is an amenable number.

181348364004 is an abundant number, since it is smaller than the sum of its proper divisors (241797818700).

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

181348364004 is a wasteful number, since it uses less digits than its factorization.

181348364004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112363674 (or 15112363672 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 181348364004 in words is "one hundred eighty-one billion, three hundred forty-eight million, three hundred sixty-four thousand, four".

Divisors: 1 2 3 4 6 12 15112363667 30224727334 45337091001 60449454668 90674182002 181348364004