Base | Representation |
---|---|
bin | 1101101110111100011110… |
… | …10111011000110100010111 |
3 | 10221221010022020201221112210 |
4 | 12313132033113120310113 |
5 | 12424300224001043111 |
6 | 144121500255044503 |
7 | 6234621043201014 |
oct | 667361727306427 |
9 | 127833266657483 |
10 | 30200320331031 |
11 | 969397a562744 |
12 | 3479036210733 |
13 | 13b0b54c271c6 |
14 | 7659bbc1470b |
15 | 3758a64260a6 |
hex | 1b778f5d8d17 |
30200320331031 has 32 divisors (see below), whose sum is σ = 42072601241088. Its totient is φ = 19233085132800.
The previous prime is 30200320331023. The next prime is 30200320331053. The reversal of 30200320331031 is 13013302300203.
It is not a de Polignac number, because 30200320331031 - 23 = 30200320331023 is a prime.
It is a super-2 number, since 2×302003203310312 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30200320330989 and 30200320331007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30200320331431) 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, 274450935 + ... + 274560951.
It is an arithmetic number, because the mean of its divisors is an integer number (1314768788784).
Almost surely, 230200320331031 is an apocalyptic number.
30200320331031 is a deficient number, since it is larger than the sum of its proper divisors (11872280910057).
30200320331031 is a wasteful number, since it uses less digits than its factorization.
30200320331031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115191.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30200320331031 its reverse (13013302300203), we get a palindrome (43213622631234).
The spelling of 30200320331031 in words is "thirty trillion, two hundred billion, three hundred twenty million, three hundred thirty-one thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.135 sec. • engine limits •