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38123059689 = 32113133153149
BaseRepresentation
bin100011100000010011…
…111011100111101001
310122101212021002102200
4203200103323213221
51111034000402224
625302525250413
72516503442421
oct434023734751
9118355232380
1038123059689
1115193523000
12747b403a09
1337972639b0
141bb91c7481
15ed1d315c9
hex8e04fb9e9

38123059689 has 192 divisors, whose sum is σ = 69063321600. Its totient is φ = 20114265600.

The previous prime is 38123059649. The next prime is 38123059703. The reversal of 38123059689 is 98695032183.

38123059689 is a `hidden beast` number, since 3 + 8 + 12 + 30 + 596 + 8 + 9 = 666.

It is not a de Polignac number, because 38123059689 - 217 = 38122928617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38123059609) 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 191 ways as a sum of consecutive naturals, for example, 255859387 + ... + 255859535.

It is an arithmetic number, because the mean of its divisors is an integer number (359704800).

Almost surely, 238123059689 is an apocalyptic number.

38123059689 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

38123059689 is a deficient number, since it is larger than the sum of its proper divisors (30940261911).

38123059689 is a wasteful number, since it uses less digits than its factorization.

38123059689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 38123059689 in words is "thirty-eight billion, one hundred twenty-three million, fifty-nine thousand, six hundred eighty-nine".