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30982081536 = 210327617873
BaseRepresentation
bin11100110110101011…
…010000110000000000
32221222012020210222100
4130312223100300000
51001422403102121
622122153310400
72144523230220
oct346653206000
987865223870
1030982081536
111215963946a
126007a05400
132bc999a433
1416dca50080
15c14e6b026
hex736ad0c00

30982081536 has 264 divisors, whose sum is σ = 103929366944. Its totient is φ = 8705802240.

The previous prime is 30982081499. The next prime is 30982081561. The reversal of 30982081536 is 63518028903.

It is a happy number.

30982081536 is a `hidden beast` number, since 3 + 0 + 98 + 20 + 8 + 1 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 30982081491 and 30982081500.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3931296 + ... + 3939168.

Almost surely, 230982081536 is an apocalyptic number.

30982081536 is a gapful number since it is divisible by the number (36) 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 30982081536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51964683472).

30982081536 is an abundant number, since it is smaller than the sum of its proper divisors (72947285408).

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

30982081536 is a wasteful number, since it uses less digits than its factorization.

30982081536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967 (or 7946 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 30982081536 in words is "thirty billion, nine hundred eighty-two million, eighty-one thousand, five hundred thirty-six".