Base | Representation |
---|---|
bin | 111100100011001100… |
… | …1111110011000100011 |
3 | 110102122000211020200010 |
4 | 1321012121332120203 |
5 | 4112300214424443 |
6 | 135422435100003 |
7 | 12252161513400 |
oct | 1710631763043 |
9 | 412560736603 |
10 | 130030233123 |
11 | 5016674978a |
12 | 2124aa41603 |
13 | c35322b95b |
14 | 64174d92a7 |
15 | 35b0836733 |
hex | 1e4667e623 |
130030233123 has 12 divisors (see below), whose sum is σ = 201679545480. Its totient is φ = 74302990272.
The previous prime is 130030233121. The next prime is 130030233169. The reversal of 130030233123 is 321332030031.
It is not a de Polignac number, because 130030233123 - 21 = 130030233121 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 130030233123.
It is not an unprimeable number, because it can be changed into a prime (130030233121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442279558 + ... + 442279851.
It is an arithmetic number, because the mean of its divisors is an integer number (16806628790).
Almost surely, 2130030233123 is an apocalyptic number.
130030233123 is a deficient number, since it is larger than the sum of its proper divisors (71649312357).
130030233123 is an equidigital number, since it uses as much as digits as its factorization.
130030233123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 884559426 (or 884559419 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 130030233123 its reverse (321332030031), we get a palindrome (451362263154).
The spelling of 130030233123 in words is "one hundred thirty billion, thirty million, two hundred thirty-three thousand, one hundred twenty-three".
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