Base | Representation |
---|---|
bin | 11100110100011111… |
… | …110110011000000000 |
3 | 2221212122111002020000 |
4 | 130310133312120000 |
5 | 1001334024113423 |
6 | 22114410120000 |
7 | 2143600466040 |
oct | 346437663000 |
9 | 87778432200 |
10 | 30945535488 |
11 | 1213aa4791a |
12 | 5bb7720000 |
13 | 2bc2242a5a |
14 | 16d7c59720 |
15 | c11b4c843 |
hex | 7347f6600 |
30945535488 has 800 divisors, whose sum is σ = 112589055744. Its totient is φ = 8277147648.
The previous prime is 30945535469. The next prime is 30945535507. The reversal of 30945535488 is 88453554903.
30945535488 is a `hidden beast` number, since 3 + 0 + 9 + 4 + 553 + 5 + 4 + 88 = 666.
It is an interprime number because it is at equal distance from previous prime (30945535469) and next prime (30945535507).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
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 79 ways as a sum of consecutive naturals, for example, 461873631 + ... + 461873697.
Almost surely, 230945535488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30945535488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56294527872).
30945535488 is an abundant number, since it is smaller than the sum of its proper divisors (81643520256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30945535488 is an equidigital number, since it uses as much as digits as its factorization.
30945535488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184 (or 159 counting only the distinct ones).
The product of its (nonzero) digits is 10368000, while the sum is 54.
The spelling of 30945535488 in words is "thirty billion, nine hundred forty-five million, five hundred thirty-five thousand, four hundred eighty-eight".
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