Base | Representation |
---|---|
bin | 1101101001001001111101… |
… | …11010111111001010011100 |
3 | 10221020002212022012120010200 |
4 | 12310210332322333022130 |
5 | 12413020332431304040 |
6 | 143450242013303500 |
7 | 6214346500116630 |
oct | 664447672771234 |
9 | 127202768176120 |
10 | 30001402213020 |
11 | 9617583461497 |
12 | 3446580a94b90 |
13 | 1398173ab40b4 |
14 | 75a10b6b6dc0 |
15 | 370612e59630 |
hex | 1b493eebf29c |
30001402213020 has 576 divisors, whose sum is σ = 109147572817920. Its totient is φ = 6526629955584.
The previous prime is 30001402213019. The next prime is 30001402213021. The reversal of 30001402213020 is 2031220410003.
30001402213020 is a `hidden beast` number, since 3 + 0 + 0 + 0 + 140 + 221 + 302 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (30001402213019) and next prime (30001402213021).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30001402212984 and 30001402213002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30001402213021) 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, 7601062687 + ... + 7601066633.
It is an arithmetic number, because the mean of its divisors is an integer number (189492313920).
Almost surely, 230001402213020 is an apocalyptic number.
30001402213020 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 30001402213020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54573786408960).
30001402213020 is an abundant number, since it is smaller than the sum of its proper divisors (79146170604900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30001402213020 is a wasteful number, since it uses less digits than its factorization.
30001402213020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7522 (or 7517 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 30001402213020 its reverse (2031220410003), we get a palindrome (32032622623023).
The spelling of 30001402213020 in words is "thirty trillion, one billion, four hundred two million, two hundred thirteen thousand, twenty".
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