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38453249024 = 21038398047
BaseRepresentation
bin100011110011111111…
…100000010000000000
310200020212120110001022
4203303333200100000
51112223012432044
625355402325012
72530623136511
oct436377402000
9120225513038
1038453249024
1115342947153
127551ab9768
13381a7a19b8
141c0adb8a08
151000d053ee
hex8f3fe0400

38453249024 has 44 divisors (see below), whose sum is σ = 77070434304. Its totient is φ = 19176228864.

The previous prime is 38453249017. The next prime is 38453249057. The reversal of 38453249024 is 42094235483.

It is a Cunningham number, because it is equal to 1960952-1.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343169 + ... + 441215.

Almost surely, 238453249024 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 38453249024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38535217152).

38453249024 is an abundant number, since it is smaller than the sum of its proper divisors (38617185280).

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

38453249024 is an equidigital number, since it uses as much as digits as its factorization.

38453249024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98450 (or 98432 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 38453249024 in words is "thirty-eight billion, four hundred fifty-three million, two hundred forty-nine thousand, twenty-four".

Divisors: 1 2 4 8 16 32 64 128 256 383 512 766 1024 1532 3064 6128 12256 24512 49024 98047 98048 196094 196096 392188 392192 784376 1568752 3137504 6275008 12550016 25100032 37552001 50200064 75104002 100400128 150208004 300416008 600832016 1201664032 2403328064 4806656128 9613312256 19226624512 38453249024