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38068343040 = 2835721379197
BaseRepresentation
bin100011011101000011…
…001101000100000000
310122021001022012022010
4203131003031010000
51110430443434130
625253252412520
72515240401600
oct433503150400
9118231265263
1038068343040
1115165650632
127465017140
133788b16790
141bb1c22c00
15ecc1240b0
hex8dd0cd100

38068343040 has 864 divisors, whose sum is σ = 155020884480. Its totient is φ = 7890075648.

The previous prime is 38068343003. The next prime is 38068343059. The reversal of 38068343040 is 4034386083.

It is a super-2 number, since 2×380683430402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 38068343040.

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 95 ways as a sum of consecutive naturals, for example, 193240222 + ... + 193240418.

It is an arithmetic number, because the mean of its divisors is an integer number (179422320).

Almost surely, 238068343040 is an apocalyptic number.

38068343040 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 38068343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77510442240).

38068343040 is an abundant number, since it is smaller than the sum of its proper divisors (116952541440).

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

38068343040 is a wasteful number, since it uses less digits than its factorization.

38068343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 38068343040 in words is "thirty-eight billion, sixty-eight million, three hundred forty-three thousand, forty".