Base | Representation |
---|---|
bin | 1101101100111011100110… |
… | …11111000110001010001101 |
3 | 10221200111201110210002220002 |
4 | 12312131303133012022031 |
5 | 12422132030034103343 |
6 | 144030015040534045 |
7 | 6226621365432014 |
oct | 666356337061215 |
9 | 127614643702802 |
10 | 30131133112973 |
11 | 96675a6141792 |
12 | 3467747621325 |
13 | 13a7479cb9619 |
14 | 7624d7133a7b |
15 | 373ba73648b8 |
hex | 1b67737c628d |
30131133112973 has 2 divisors, whose sum is σ = 30131133112974. Its totient is φ = 30131133112972.
The previous prime is 30131133112939. The next prime is 30131133113171. The reversal of 30131133112973 is 37921133113103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 15978391300804 + 14152741812169 = 3997298^2 + 3762013^2 .
It is a cyclic number.
It is not a de Polignac number, because 30131133112973 - 228 = 30130864677517 is a prime.
It is a super-3 number, since 3×301311331129733 (a number of 41 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30131133112673) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065566556486 + 15065566556487.
It is an arithmetic number, because the mean of its divisors is an integer number (15065566556487).
Almost surely, 230131133112973 is an apocalyptic number.
It is an amenable number.
30131133112973 is a deficient number, since it is larger than the sum of its proper divisors (1).
30131133112973 is an equidigital number, since it uses as much as digits as its factorization.
30131133112973 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30618, while the sum is 38.
The spelling of 30131133112973 in words is "thirty trillion, one hundred thirty-one billion, one hundred thirty-three million, one hundred twelve thousand, nine hundred seventy-three".
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