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38289070080 = 2113251724439
BaseRepresentation
bin100011101010001101…
…001101100000000000
310122211102122021212200
4203222031031200000
51111404000220310
625331215353200
72523560503632
oct435215154000
9118742567780
1038289070080
1115269200078
127506b22800
1337c277a0b1
141bd327ca52
15ee16c49c0
hex8ea34d800

38289070080 has 288 divisors, whose sum is σ = 140514847200. Its totient is φ = 9609412608.

The previous prime is 38289070049. The next prime is 38289070081. The reversal of 38289070080 is 8007098283.

It is a tau number, because it is divible by the number of its divisors (288).

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 (38289070081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1554501 + ... + 1578939.

It is an arithmetic number, because the mean of its divisors is an integer number (487898775).

Almost surely, 238289070080 is an apocalyptic number.

38289070080 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 38289070080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70257423600).

38289070080 is an abundant number, since it is smaller than the sum of its proper divisors (102225777120).

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

38289070080 is a wasteful number, since it uses less digits than its factorization.

38289070080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24489 (or 24466 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 38289070080 in words is "thirty-eight billion, two hundred eighty-nine million, seventy thousand, eighty".