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38531413725 = 3527154947381
BaseRepresentation
bin100011111000101001…
…101011011011011101
310200110022122121212020
4203320221223123131
51112403020214400
625411233530353
72532562420110
oct437051533335
9120408577766
1038531413725
1115382a84482
1275741139b9
133830a3b8bc
141c17524577
151007ae52a0
hex8f8a6b6dd

38531413725 has 48 divisors (see below), whose sum is σ = 72854563200. Its totient is φ = 17602617600.

The previous prime is 38531413691. The next prime is 38531413741. The reversal of 38531413725 is 52731413583.

It is not a de Polignac number, because 38531413725 - 29 = 38531413213 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 789535 + ... + 836915.

It is an arithmetic number, because the mean of its divisors is an integer number (1517803400).

Almost surely, 238531413725 is an apocalyptic number.

38531413725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38531413725 is a deficient number, since it is larger than the sum of its proper divisors (34323149475).

38531413725 is a wasteful number, since it uses less digits than its factorization.

38531413725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48950 (or 48945 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The spelling of 38531413725 in words is "thirty-eight billion, five hundred thirty-one million, four hundred thirteen thousand, seven hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 1549 4647 7745 10843 23235 32529 38725 47381 54215 116175 142143 162645 236905 271075 331667 710715 813225 995001 1184525 1658335 3553575 4975005 8291675 24875025 73393169 220179507 366965845 513752183 1100897535 1541256549 1834829225 2568760915 5504487675 7706282745 12843804575 38531413725