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38601239040 = 2933571317192
BaseRepresentation
bin100011111100110100…
…000010101000000000
310200122012001010012000
4203330310002220000
51113023404122130
625422210304000
72534401055340
oct437464025000
9120565033160
1038601239040
1115409436251
127593588000
133842348a60
141c228dcd20
15100dcd9260
hex8fcd02a00

38601239040 has 1920 divisors, whose sum is σ = 188582929920. Its totient is φ = 7261913088.

The previous prime is 38601239009. The next prime is 38601239069. The reversal of 38601239040 is 4093210683.

38601239040 is a `hidden beast` number, since 3 + 8 + 601 + 2 + 3 + 9 + 0 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

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

It is a junction number, because it is equal to n+sod(n) for n = 38601238986 and 38601239004.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 2031644151 + ... + 2031644169.

It is an arithmetic number, because the mean of its divisors is an integer number (98220276).

Almost surely, 238601239040 is an apocalyptic number.

38601239040 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 38601239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94291464960).

38601239040 is an abundant number, since it is smaller than the sum of its proper divisors (149981690880).

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

38601239040 is a wasteful number, since it uses less digits than its factorization.

38601239040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 38601239040 in words is "thirty-eight billion, six hundred one million, two hundred thirty-nine thousand, forty".