Base | Representation |
---|---|
bin | 100000011101111001001… |
… | …011111100101101101110 |
3 | 21220021220200011101212201 |
4 | 200131321023330231232 |
5 | 243023314011431110 |
6 | 4424543554252114 |
7 | 320123156210350 |
oct | 40357113745556 |
9 | 7807820141781 |
10 | 2231121202030 |
11 | 790238831766 |
12 | 3004a5b8703a |
13 | 132517310896 |
14 | 79db5c770d0 |
15 | 3d0836edb3a |
hex | 207792fcb6e |
2231121202030 has 16 divisors (see below), whose sum is σ = 4589735044320. Its totient is φ = 764955840672.
The previous prime is 2231121202021. The next prime is 2231121202043. The reversal of 2231121202030 is 302021211322.
It is a super-3 number, since 3×22311212020303 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 2231121201989 and 2231121202007.
It is a congruent number.
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, 15936579945 + ... + 15936580084.
It is an arithmetic number, because the mean of its divisors is an integer number (286858440270).
Almost surely, 22231121202030 is an apocalyptic number.
2231121202030 is an abundant number, since it is smaller than the sum of its proper divisors (2358613842290).
2231121202030 is a wasteful number, since it uses less digits than its factorization.
2231121202030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31873160043.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 2231121202030 its reverse (302021211322), we get a palindrome (2533142413352).
The spelling of 2231121202030 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-one million, two hundred two thousand, thirty".
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