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180013654145 = 51323132191151
BaseRepresentation
bin1010011110100110100…
…1100110000010000001
3122012122110110010012202
42213221221212002001
510422131443413040
6214410325202545
716001622546053
oct2475151460201
9565573403182
10180013654145
116a3860187a6
122aa7a260455
1313c8a715420
1489d99518d3
154a38a04015
hex29e9a66081

180013654145 has 32 divisors (see below), whose sum is σ = 242933935104. Its totient is φ = 127055808000.

The previous prime is 180013654111. The next prime is 180013654157. The reversal of 180013654145 is 541456310081.

It is not a de Polignac number, because 180013654145 - 28 = 180013653889 is a prime.

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 junction number, because it is equal to n+sod(n) for n = 180013654099 and 180013654108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1929320 + ... + 2020470.

It is an arithmetic number, because the mean of its divisors is an integer number (7591685472).

Almost surely, 2180013654145 is an apocalyptic number.

It is an amenable number.

180013654145 is a deficient number, since it is larger than the sum of its proper divisors (62920280959).

180013654145 is a wasteful number, since it uses less digits than its factorization.

180013654145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92513.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 180013654145 in words is "one hundred eighty billion, thirteen million, six hundred fifty-four thousand, one hundred forty-five".

Divisors: 1 5 13 23 65 115 299 1321 1495 6605 17173 30383 85865 91151 151915 394979 455755 1184963 1974895 2096473 5924815 10482365 27254149 120410471 136270745 602052355 1565336123 2769440833 7826680615 13847204165 36002730829 180013654145