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180468119 = 13431132857
BaseRepresentation
bin10101100000110…
…11100110010111
3110120120201201102
422300123212113
5332144434434
625524020315
74320645056
oct1260334627
9416521642
10180468119
1192962407
125053169b
132b508c90
1419d7a39d
1510c9c07e
hexac1b997

180468119 has 16 divisors (see below), whose sum is σ = 200700192. Its totient is φ = 161215488.

The previous prime is 180468091. The next prime is 180468121. The reversal of 180468119 is 911864081.

It is a cyclic number.

It is not a de Polignac number, because 180468119 - 212 = 180464023 is a prime.

It is a super-2 number, since 2×1804681192 = 65137483950796322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180468149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61739 + ... + 64595.

It is an arithmetic number, because the mean of its divisors is an integer number (12543762).

Almost surely, 2180468119 is an apocalyptic number.

180468119 is a deficient number, since it is larger than the sum of its proper divisors (20232073).

180468119 is a wasteful number, since it uses less digits than its factorization.

180468119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 180468119 is about 13433.8423021859. The cubic root of 180468119 is about 565.1106567922.

The spelling of 180468119 in words is "one hundred eighty million, four hundred sixty-eight thousand, one hundred nineteen".

Divisors: 1 13 43 113 559 1469 2857 4859 37141 63167 122851 322841 1597063 4196933 13882163 180468119