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16941994772 = 2227719137993
BaseRepresentation
bin11111100011101001…
…00101001100010100
31121201201100111200212
433301310211030110
5234144122313042
611441045424552
71136560402523
oct176164451424
947651314625
1016941994772
11720435047a
123349a0b158
13179cc943a1
14b6a1004ba
1569256a482
hex3f1d25314

16941994772 has 24 divisors (see below), whose sum is σ = 29774804136. Its totient is φ = 8434948608.

The previous prime is 16941994763. The next prime is 16941994781. The reversal of 16941994772 is 27749914961.

16941994772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16941994763) and next prime (16941994781).

It can be written as a sum of positive squares in 4 ways, for example, as 548777476 + 16393217296 = 23426^2 + 128036^2 .

It is a congruent number.

It is an unprimeable number.

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, 2115608 + ... + 2123600.

It is an arithmetic number, because the mean of its divisors is an integer number (1240616839).

Almost surely, 216941994772 is an apocalyptic number.

It is an amenable number.

16941994772 is a deficient number, since it is larger than the sum of its proper divisors (12832809364).

16941994772 is a wasteful number, since it uses less digits than its factorization.

16941994772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10187 (or 10185 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 59.

The spelling of 16941994772 in words is "sixteen billion, nine hundred forty-one million, nine hundred ninety-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 277 554 1108 1913 3826 7652 7993 15986 31972 529901 1059802 2119604 2214061 4428122 8856244 15290609 30581218 61162436 4235498693 8470997386 16941994772