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16380021174 = 2311248182139
BaseRepresentation
bin11110100000101001…
…10100100110110110
31120021112220021211220
433100110310212312
5232021241134144
611305212411210
71116624611526
oct172024644666
946245807756
1016380021174
116a46105390
123211776b06
131710720c2a
14b15615686
1565d05e919
hex3d05349b6

16380021174 has 16 divisors (see below), whose sum is σ = 35738228160. Its totient is φ = 4963642760.

The previous prime is 16380021173. The next prime is 16380021179. The reversal of 16380021174 is 47112008361.

16380021174 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16380021173) 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 7 ways as a sum of consecutive naturals, for example, 124091004 + ... + 124091135.

It is an arithmetic number, because the mean of its divisors is an integer number (2233639260).

Almost surely, 216380021174 is an apocalyptic number.

16380021174 is an abundant number, since it is smaller than the sum of its proper divisors (19358206986).

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

16380021174 is a wasteful number, since it uses less digits than its factorization.

16380021174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248182155.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 16380021174 in words is "sixteen billion, three hundred eighty million, twenty-one thousand, one hundred seventy-four".

Divisors: 1 2 3 6 11 22 33 66 248182139 496364278 744546417 1489092834 2730003529 5460007058 8190010587 16380021174