Base | Representation |
---|---|
bin | 1101101100101100101100… |
… | …00011010101011001011000 |
3 | 10221122202001020112110022220 |
4 | 12312112112003111121120 |
5 | 12422014124003301240 |
6 | 144022212142344040 |
7 | 6226216033452132 |
oct | 666262603253130 |
9 | 127582036473286 |
10 | 30123123103320 |
11 | 96641657579a5 |
12 | 3466090b8b020 |
13 | 13a67a1680440 |
14 | 761d773c2052 |
15 | 37388903d5d0 |
hex | 1b65960d5658 |
30123123103320 has 128 divisors (see below), whose sum is σ = 97387570425600. Its totient is φ = 7409839855104.
The previous prime is 30123123103217. The next prime is 30123123103343. The reversal of 30123123103320 is 2330132132103.
It is a super-2 number, since 2×301231231033202 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4341402 + ... + 8893481.
It is an arithmetic number, because the mean of its divisors is an integer number (760840393950).
Almost surely, 230123123103320 is an apocalyptic number.
30123123103320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30123123103320 is an abundant number, since it is smaller than the sum of its proper divisors (67264447322280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30123123103320 is a wasteful number, since it uses less digits than its factorization.
30123123103320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13236369 (or 13236365 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 30123123103320 its reverse (2330132132103), we get a palindrome (32453255235423).
The spelling of 30123123103320 in words is "thirty trillion, one hundred twenty-three billion, one hundred twenty-three million, one hundred three thousand, three hundred twenty".
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