Base | Representation |
---|---|
bin | 1101101110111111110100… |
… | …01010111100011110001111 |
3 | 10221221021221010111220121211 |
4 | 12313133322022330132033 |
5 | 12424312411212400221 |
6 | 144122354145435251 |
7 | 6235013332122046 |
oct | 667377212743617 |
9 | 127837833456554 |
10 | 30202112231311 |
11 | 9694709a94969 |
12 | 347945633bb27 |
13 | 13b107c23c627 |
14 | 765b0bbbd55d |
15 | 37595d8ce6e1 |
hex | 1b77fa2bc78f |
30202112231311 has 16 divisors (see below), whose sum is σ = 31247932953600. Its totient is φ = 29160832881600.
The previous prime is 30202112231309. The next prime is 30202112231371. The reversal of 30202112231311 is 11313221120203.
It is a cyclic number.
It is not a de Polignac number, because 30202112231311 - 21 = 30202112231309 is a prime.
It is a super-2 number, since 2×302021122313112 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30202112231371) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25759516 + ... + 26906446.
It is an arithmetic number, because the mean of its divisors is an integer number (1952995809600).
Almost surely, 230202112231311 is an apocalyptic number.
30202112231311 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
30202112231311 is a deficient number, since it is larger than the sum of its proper divisors (1045820722289).
30202112231311 is a wasteful number, since it uses less digits than its factorization.
30202112231311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1148910.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 30202112231311 its reverse (11313221120203), we get a palindrome (41515333351514).
The spelling of 30202112231311 in words is "thirty trillion, two hundred two billion, one hundred twelve million, two hundred thirty-one thousand, three hundred eleven".
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