Base | Representation |
---|---|
bin | 1101110010100000111111… |
… | …10000111011110010110000 |
3 | 10222100211222011000001012200 |
4 | 12321100133300323302300 |
5 | 12433303002010000110 |
6 | 144254110025423200 |
7 | 6246523154351340 |
oct | 671203760736260 |
9 | 128324864001180 |
10 | 30323002031280 |
11 | 9730a05144962 |
12 | 349897403ab00 |
13 | 13bc5a688b74a |
14 | 76b8d9388d20 |
15 | 378b86a496c0 |
hex | 1b941fc3bcb0 |
30323002031280 has 960 divisors, whose sum is σ = 126658433341440. Its totient is φ = 6341983174656.
The previous prime is 30323002031279. The next prime is 30323002031281. The reversal of 30323002031280 is 8213020032303.
30323002031280 is a `hidden beast` number, since 3 + 0 + 32 + 300 + 20 + 31 + 280 = 666.
It is an interprime number because it is at equal distance from previous prime (30323002031279) and next prime (30323002031281).
It is a super-2 number, since 2×303230020312802 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30323002031281) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5157847381 + ... + 5157853259.
It is an arithmetic number, because the mean of its divisors is an integer number (131935868064).
Almost surely, 230323002031280 is an apocalyptic number.
30323002031280 is a gapful number since it is divisible by the number (30) 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 30323002031280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63329216670720).
30323002031280 is an abundant number, since it is smaller than the sum of its proper divisors (96335431310160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30323002031280 is a wasteful number, since it uses less digits than its factorization.
30323002031280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7586 (or 7577 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 30323002031280 its reverse (8213020032303), we get a palindrome (38536022063583).
The spelling of 30323002031280 in words is "thirty trillion, three hundred twenty-three billion, two million, thirty-one thousand, two hundred eighty".
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