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38448389904 = 2431423562901
BaseRepresentation
bin100011110011101100…
…111101111100010000
310200020112102120120220
4203303230331330100
51112220241434104
625355110233040
72530533631131
oct436354757420
9120215376526
1038448389904
1115340128451
127550355780
133819790092
141c0a4b1c88
1510006957d9
hex8f3b3df10

38448389904 has 40 divisors (see below), whose sum is σ = 99394983552. Its totient is φ = 12807100800.

The previous prime is 38448389899. The next prime is 38448389951. The reversal of 38448389904 is 40998384483.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213147 + ... + 349754.

Almost surely, 238448389904 is an apocalyptic number.

It is an amenable number.

38448389904 is an abundant number, since it is smaller than the sum of its proper divisors (60946593648).

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

38448389904 is a wasteful number, since it uses less digits than its factorization.

38448389904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564335 (or 564329 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 60.

The spelling of 38448389904 in words is "thirty-eight billion, four hundred forty-eight million, three hundred eighty-nine thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1423 2846 4269 5692 8538 11384 17076 22768 34152 68304 562901 1125802 1688703 2251604 3377406 4503208 6754812 9006416 13509624 27019248 801008123 1602016246 2403024369 3204032492 4806048738 6408064984 9612097476 12816129968 19224194952 38448389904