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39199425120 = 2534510129947
BaseRepresentation
bin100100100000011101…
…111100001001100000
310202011212122010020000
4210200131330021200
51120240023100440
630001415420000
72555253421152
oct444035741140
9122155563200
1039199425120
1115696065309
12771b984600
13390925ab0b
141c7c132ad2
151046599730
hex92077c260

39199425120 has 240 divisors, whose sum is σ = 139715685648. Its totient is φ = 10349337600.

The previous prime is 39199425079. The next prime is 39199425127. The reversal of 39199425120 is 2152499193.

39199425120 is a `hidden beast` number, since 3 + 9 + 1 + 99 + 42 + 512 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-4 number, since 4×391994251204 (a number of 43 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39199425127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1293987 + ... + 1323933.

Almost surely, 239199425120 is an apocalyptic number.

39199425120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39199425120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69857842824).

39199425120 is an abundant number, since it is smaller than the sum of its proper divisors (100516260528).

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

39199425120 is a wasteful number, since it uses less digits than its factorization.

39199425120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30075 (or 30058 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 39199425120 in words is "thirty-nine billion, one hundred ninety-nine million, four hundred twenty-five thousand, one hundred twenty".