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38403021130 = 2537103791949
BaseRepresentation
bin100011110000111111…
…111001100101001010
310200010101001121022221
4203300333321211022
51112122133134010
625350410004254
72526443202505
oct436077714512
9120111047287
1038403021130
11153175601a1
12753911668a
133810266956
141c0446213c
15eeb6d2dda
hex8f0ff994a

38403021130 has 16 divisors (see below), whose sum is σ = 70993693800. Its totient is φ = 14946040512.

The previous prime is 38403021119. The next prime is 38403021157. The reversal of 38403021130 is 3112030483.

It can be written as a sum of positive squares in 4 ways, for example, as 36327216409 + 2075804721 = 190597^2 + 45561^2 .

It is a super-2 number, since 2×384030211302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38403021095 and 38403021104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51895605 + ... + 51896344.

Almost surely, 238403021130 is an apocalyptic number.

38403021130 is a deficient number, since it is larger than the sum of its proper divisors (32590672670).

38403021130 is a wasteful number, since it uses less digits than its factorization.

38403021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103791993.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 38403021130 in words is "thirty-eight billion, four hundred three million, twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 103791949 207583898 518959745 1037919490 3840302113 7680604226 19201510565 38403021130