Base | Representation |
---|---|
bin | 1101110101011000001011… |
… | …10100111110100000000100 |
3 | 10222201020211021011222012202 |
4 | 12322230011310332200010 |
5 | 12441410411342144030 |
6 | 144411213100134032 |
7 | 6256604304043034 |
oct | 672540564764004 |
9 | 128636737158182 |
10 | 30421351131140 |
11 | 97696936a3282 |
12 | 34b3a40b37318 |
13 | 13c894b3533a8 |
14 | 7725890658c4 |
15 | 37b4e0d7d745 |
hex | 1bab05d3e804 |
30421351131140 has 24 divisors (see below), whose sum is σ = 65611454603352. Its totient is φ = 11839660980480.
The previous prime is 30421351131113. The next prime is 30421351131209. The reversal of 30421351131140 is 4113115312403.
It can be written as a sum of positive squares in 4 ways, for example, as 13606168331716 + 16815182799424 = 3688654^2 + 4100632^2 .
It is a super-2 number, since 2×304213511311402 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20554966241 + ... + 20554967720.
It is an arithmetic number, because the mean of its divisors is an integer number (2733810608473).
Almost surely, 230421351131140 is an apocalyptic number.
It is an amenable number.
30421351131140 is an abundant number, since it is smaller than the sum of its proper divisors (35190103472212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30421351131140 is a wasteful number, since it uses less digits than its factorization.
30421351131140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41109934007 (or 41109934005 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 29.
Adding to 30421351131140 its reverse (4113115312403), we get a palindrome (34534466443543).
The spelling of 30421351131140 in words is "thirty trillion, four hundred twenty-one billion, three hundred fifty-one million, one hundred thirty-one thousand, one hundred forty".
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