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38712000000 = 293561613
BaseRepresentation
bin100100000011011010…
…100011111000000000
310200220220110100122210
4210003122203320000
51113240233000000
625441204302120
72540214366522
oct440332437000
9120826410583
1038712000000
1115465a07633
1276046a1940
13385c28959b
141c334d1a12
1510188b7350
hex9036a3e00

38712000000 has 280 divisors, whose sum is σ = 128992255128. Its totient is φ = 10316800000.

The previous prime is 38711999999. The next prime is 38712000013. The reversal of 38712000000 is 21783.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 27 ways as a sum of consecutive naturals, for example, 23999194 + ... + 24000806.

Almost surely, 238712000000 is an apocalyptic number.

38712000000 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 38712000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64496127564).

38712000000 is an abundant number, since it is smaller than the sum of its proper divisors (90280255128).

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

38712000000 is an frugal number, since it uses more digits than its factorization.

38712000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 38712000000 its reverse (21783), we get a palindrome (38712021783).

The spelling of 38712000000 in words is "thirty-eight billion, seven hundred twelve million", and thus it is an aban number.