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38034746778 = 2372129369887
BaseRepresentation
bin100011011011000011…
…000010110110011010
310122011201002022220010
4203123003002312122
51110343343344103
625250052342350
72514352004400
oct433303026632
9118151068803
1038034746778
1115148694226
1274559149b6
133781b82932
141bab599470
15ec91d9903
hex8db0c2d9a

38034746778 has 24 divisors (see below), whose sum is σ = 88489003392. Its totient is φ = 10867070424.

The previous prime is 38034746753. The next prime is 38034746803. The reversal of 38034746778 is 87764743083.

It is an interprime number because it is at equal distance from previous prime (38034746753) and next prime (38034746803).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64684650 + ... + 64685237.

It is an arithmetic number, because the mean of its divisors is an integer number (3687041808).

Almost surely, 238034746778 is an apocalyptic number.

38034746778 is an abundant number, since it is smaller than the sum of its proper divisors (50454256614).

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

38034746778 is a wasteful number, since it uses less digits than its factorization.

38034746778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129369906 (or 129369899 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 57.

The spelling of 38034746778 in words is "thirty-eight billion, thirty-four million, seven hundred forty-six thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 129369887 258739774 388109661 776219322 905589209 1811178418 2716767627 5433535254 6339124463 12678248926 19017373389 38034746778