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38789130204 = 2233112732557
BaseRepresentation
bin100100001000000000…
…110010011111011100
310201010021120222102000
4210020000302133130
51113420004131304
625453001402300
72542142111106
oct441000623734
9121107528360
1038789130204
11154a54a8700
127626499390
133872253666
141c3d84c576
151020550939
hex9080327dc

38789130204 has 216 divisors, whose sum is σ = 112273907760. Its totient is φ = 11572450560.

The previous prime is 38789130203. The next prime is 38789130269. The reversal of 38789130204 is 40203198783.

It is a self number, because there is not a number n which added to its sum of digits gives 38789130204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38789130203) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 69639094 + ... + 69639650.

It is an arithmetic number, because the mean of its divisors is an integer number (519786610).

Almost surely, 238789130204 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 38789130204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56136953880).

38789130204 is an abundant number, since it is smaller than the sum of its proper divisors (73484777556).

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

38789130204 is a wasteful number, since it uses less digits than its factorization.

38789130204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 38789130204 in words is "thirty-eight billion, seven hundred eighty-nine million, one hundred thirty thousand, two hundred four".