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45061290780 = 2235111032772393
BaseRepresentation
bin101001111101110111…
…001011101100011100
311022022101202202012120
4221331313023230130
51214241142301110
632411215502540
73153442436412
oct517567135434
9138271682176
1045061290780
1118123a18790
128896b27a50
13433182078c
1422768652b2
15128aee8870
hexa7ddcbb1c

45061290780 has 192 divisors, whose sum is σ = 139538101248. Its totient is φ = 10774333440.

The previous prime is 45061290779. The next prime is 45061290817. The reversal of 45061290780 is 8709216054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18829264 + ... + 18831656.

It is an arithmetic number, because the mean of its divisors is an integer number (726760944).

Almost surely, 245061290780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45061290780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69769050624).

45061290780 is an abundant number, since it is smaller than the sum of its proper divisors (94476810468).

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

45061290780 is a wasteful number, since it uses less digits than its factorization.

45061290780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 45061290780 in words is "forty-five billion, sixty-one million, two hundred ninety thousand, seven hundred eighty".