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180822742009 = 72132631079339
BaseRepresentation
bin1010100001100111100…
…0000001001111111001
3122021201211220001002221
42220121320001033321
510430311110221014
6215022510524041
716030645642600
oct2503170011771
9567654801087
10180822742009
116a7607a6458
122b065206621
131408922a940
148a751a4a37
154a84a73b24
hex2a19e013f9

180822742009 has 24 divisors (see below), whose sum is σ = 227386716480. Its totient is φ = 142524424224.

The previous prime is 180822742003. The next prime is 180822742031. The reversal of 180822742009 is 900247228081.

It is not a de Polignac number, because 180822742009 - 211 = 180822739961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180822742003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372139 + ... + 707200.

It is an arithmetic number, because the mean of its divisors is an integer number (9474446520).

Almost surely, 2180822742009 is an apocalyptic number.

It is an amenable number.

180822742009 is a deficient number, since it is larger than the sum of its proper divisors (46563974471).

180822742009 is a wasteful number, since it uses less digits than its factorization.

180822742009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079629 (or 1079622 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 180822742009 in words is "one hundred eighty billion, eight hundred twenty-two million, seven hundred forty-two thousand, nine".

Divisors: 1 7 13 49 91 263 637 1841 3419 12887 23933 167531 1079339 7555373 14031407 52887611 98219849 283866157 687538943 1987063099 3690260041 13909441693 25831820287 180822742009