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38363506860 = 22357195638539
BaseRepresentation
bin100011101110101001…
…001010100010101100
310200000121201001221110
4203232221022202230
51112032024204420
625342435032020
72525453266530
oct435651124254
9120017631843
1038363506860
11152a7221578
127527a3b610
133805010223
141bdd0d7bc0
15ee7ec9ee0
hex8eea4a8ac

38363506860 has 192 divisors, whose sum is σ = 129469132800. Its totient is φ = 8291559168.

The previous prime is 38363506837. The next prime is 38363506901. The reversal of 38363506860 is 6860536383.

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 63 ways as a sum of consecutive naturals, for example, 4488471 + ... + 4497009.

It is an arithmetic number, because the mean of its divisors is an integer number (674318400).

Almost surely, 238363506860 is an apocalyptic number.

38363506860 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 38363506860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64734566400).

38363506860 is an abundant number, since it is smaller than the sum of its proper divisors (91105625940).

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

38363506860 is a wasteful number, since it uses less digits than its factorization.

38363506860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9140 (or 9138 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 38363506860 in words is "thirty-eight billion, three hundred sixty-three million, five hundred six thousand, eight hundred sixty".