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38099520000 = 29325413229
BaseRepresentation
bin100011011110111010…
…001000101000000000
310122100012222011001100
4203132322020220000
51111011434120000
625300324534400
72516066401533
oct433672105000
9118305864040
1038099520000
1115181205313
127473551400
133792411399
141bb601aa1a
15ecec31a00
hex8dee88a00

38099520000 has 300 divisors, whose sum is σ = 137413646370. Its totient is φ = 10159104000.

The previous prime is 38099519999. The next prime is 38099520013. The reversal of 38099520000 is 2599083.

It can be written as a sum of positive squares in 5 ways, for example, as 8256266496 + 29843253504 = 90864^2 + 172752^2 .

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2873386 + ... + 2886614.

Almost surely, 238099520000 is an apocalyptic number.

38099520000 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 38099520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68706823185).

38099520000 is an abundant number, since it is smaller than the sum of its proper divisors (99314126370).

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

38099520000 is an equidigital number, since it uses as much as digits as its factorization.

38099520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13273 (or 13239 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 38099520000 in words is "thirty-eight billion, ninety-nine million, five hundred twenty thousand".