Base | Representation |
---|---|
bin | 1110010100001101011001… |
… | …00000011000000011001100 |
3 | 11010110112012202210222110010 |
4 | 13022012230200120003030 |
5 | 13111234443111340102 |
6 | 150542012134113220 |
7 | 6426256220326455 |
oct | 712065440300314 |
9 | 133415182728403 |
10 | 31480709480652 |
11 | a03799188a773 |
12 | 3645209aab810 |
13 | 1474806159663 |
14 | 7ab962a5612c |
15 | 398d4384dd6c |
hex | 1ca1ac8180cc |
31480709480652 has 18 divisors (see below), whose sum is σ = 73455034139508. Its totient is φ = 10493563348128.
The previous prime is 31480709480651. The next prime is 31480709480653. The reversal of 31480709480652 is 25608490708413.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (31480709480651) and next prime (31480709480653).
It is a junction number, because it is equal to n+sod(n) for n = 31480709480592 and 31480709480601.
It is not an unprimeable number, because it can be changed into a prime (31480709480651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18626424 + ... + 20246112.
It is a 1-persistent number, because it is pandigital, but 2⋅31480709480652 = 62961418961304 is not.
Almost surely, 231480709480652 is an apocalyptic number.
It is an amenable number.
31480709480652 is an abundant number, since it is smaller than the sum of its proper divisors (41974324658856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31480709480652 is an frugal number, since it uses more digits than its factorization.
31480709480652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3239385 (or 1619694 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 57.
The spelling of 31480709480652 in words is "thirty-one trillion, four hundred eighty billion, seven hundred nine million, four hundred eighty thousand, six hundred fifty-two".
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