Base | Representation |
---|---|
bin | 11011111111011000101000… |
… | …011000110010000100011011 |
3 | 121010212112102211120221022121 |
4 | 123333120220120302010123 |
5 | 112113410001214120011 |
6 | 1113452430143402111 |
7 | 34633620563660440 |
oct | 3377305030620433 |
9 | 533775384527277 |
10 | 123103030223131 |
11 | 3625177a2a9522 |
12 | 119822378b3337 |
13 | 538c7484a323a |
14 | 225830b6199c7 |
15 | e372d4147e71 |
hex | 6ff62863211b |
123103030223131 has 32 divisors (see below), whose sum is σ = 148743075686400. Its totient is φ = 99525228249600.
The previous prime is 123103030223123. The next prime is 123103030223143. The reversal of 123103030223131 is 131322030301321.
It is a cyclic number.
It is not a de Polignac number, because 123103030223131 - 23 = 123103030223123 is a prime.
It is a super-2 number, since 2×1231030302231312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123103030223096 and 123103030223105.
It is not an unprimeable number, because it can be changed into a prime (123103030223161) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349348831 + ... + 349701031.
It is an arithmetic number, because the mean of its divisors is an integer number (4648221115200).
Almost surely, 2123103030223131 is an apocalyptic number.
123103030223131 is a deficient number, since it is larger than the sum of its proper divisors (25640045463269).
123103030223131 is a wasteful number, since it uses less digits than its factorization.
123103030223131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 363739.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 123103030223131 its reverse (131322030301321), we get a palindrome (254425060524452).
The spelling of 123103030223131 in words is "one hundred twenty-three trillion, one hundred three billion, thirty million, two hundred twenty-three thousand, one hundred thirty-one".
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