Base | Representation |
---|---|
bin | 10111011100100110000000… |
… | …010101110110000111111111 |
3 | 111112010011210201001221210000 |
4 | 113130212000111312013333 |
5 | 102004004301343120111 |
6 | 1003152403512045343 |
7 | 30502114205216463 |
oct | 2734460025660777 |
9 | 445104721057700 |
10 | 103120023020031 |
11 | 2a947a57730296 |
12 | b695427093853 |
13 | 457023a860114 |
14 | 1b670701244a3 |
15 | bdc5c6014c56 |
hex | 5dc9805761ff |
103120023020031 has 80 divisors (see below), whose sum is σ = 158504550082560. Its totient is φ = 66792061252800.
The previous prime is 103120023020029. The next prime is 103120023020039. The reversal of 103120023020031 is 130020320021301.
103120023020031 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 200 + 230 + 200 + 31 = 666.
It is not a de Polignac number, because 103120023020031 - 21 = 103120023020029 is a prime.
It is a super-2 number, since 2×1031200230200312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 103120023019986 and 103120023020013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103120023020039) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 104857306 + ... + 105836168.
It is an arithmetic number, because the mean of its divisors is an integer number (1981306876032).
Almost surely, 2103120023020031 is an apocalyptic number.
103120023020031 is a deficient number, since it is larger than the sum of its proper divisors (55384527062529).
103120023020031 is a wasteful number, since it uses less digits than its factorization.
103120023020031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 979218 (or 979209 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 103120023020031 its reverse (130020320021301), we get a palindrome (233140343041332).
The spelling of 103120023020031 in words is "one hundred three trillion, one hundred twenty billion, twenty-three million, twenty thousand, thirty-one".
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