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38633474916 = 2232172412472
BaseRepresentation
bin100011111110101111…
…000000101101100100
310200201102200212111100
4203332233000231210
51113110132144131
625425321240100
72535242055441
oct437657005544
9120642625440
1038633474916
1115425653573
1275a2333030
133848c2463a
141c26cd09c8
151011a557e6
hex8febc0b64

38633474916 has 243 divisors, whose sum is σ = 108641712907. Its totient is φ = 11573099520.

The previous prime is 38633474911. The next prime is 38633475011. The reversal of 38633474916 is 61947433683.

It is a happy number.

The square root of 38633474916 is 196554.

It is a perfect power (a square), and thus also a powerful number.

38633474916 is a `hidden beast` number, since 3 + 86 + 3 + 3 + 474 + 91 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2721708900 + 35911766016 = 52170^2 + 189504^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38633474911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 821988805 + ... + 821988851.

Almost surely, 238633474916 is an apocalyptic number.

38633474916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

38633474916 is the 196554-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38633474916

38633474916 is an abundant number, since it is smaller than the sum of its proper divisors (70008237991).

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

38633474916 is a wasteful number, since it uses less digits than its factorization.

38633474916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 110 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 38633474916 in words is "thirty-eight billion, six hundred thirty-three million, four hundred seventy-four thousand, nine hundred sixteen".