Base | Representation |
---|---|
bin | 1101111111001110000110… |
… | …11011001001001011101000 |
3 | 11000220120202012020002022000 |
4 | 12333213003123021023220 |
5 | 13012431014101314042 |
6 | 145230423134131000 |
7 | 6323206030422342 |
oct | 677470333111350 |
9 | 130816665202260 |
10 | 30759539479272 |
11 | 988a05815576a |
12 | 35494a3650a60 |
13 | 14217c5ac4aa6 |
14 | 784aabd08292 |
15 | 3851d5e6874c |
hex | 1bf9c36c92e8 |
30759539479272 has 320 divisors, whose sum is σ = 91074185904000. Its totient is φ = 9619232581152.
The previous prime is 30759539479241. The next prime is 30759539479283. The reversal of 30759539479272 is 27297493595703.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
30759539479272 is a `hidden beast` number, since 3 + 0 + 7 + 59 + 5 + 39 + 479 + 2 + 72 = 666.
It is a super-2 number, since 2×307595394792722 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 30759539479272 = 39143 + 313123 = 176133 + 293553.
It is a self number, because there is not a number n which added to its sum of digits gives 30759539479272.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 298636305573 + ... + 298636305675.
It is an arithmetic number, because the mean of its divisors is an integer number (284606830950).
Almost surely, 230759539479272 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 30759539479272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45537092952000).
30759539479272 is an abundant number, since it is smaller than the sum of its proper divisors (60314646424728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30759539479272 is an frugal number, since it uses more digits than its factorization.
30759539479272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400 (or 127 counting only the distinct ones).
The product of its (nonzero) digits is 900169200, while the sum is 72.
The spelling of 30759539479272 in words is "thirty trillion, seven hundred fifty-nine billion, five hundred thirty-nine million, four hundred seventy-nine thousand, two hundred seventy-two".
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