Base | Representation |
---|---|
bin | 10011001010100111111… |
… | …001111101010100100111 |
3 | 11122220121100200222021002 |
4 | 103022213321331110213 |
5 | 133034333201343111 |
6 | 2445020134343515 |
7 | 164104252423160 |
oct | 23124771752447 |
9 | 4586540628232 |
10 | 1317076981031 |
11 | 46862968a859 |
12 | 1933124bab9b |
13 | 9727a031a46 |
14 | 47a65586767 |
15 | 243d825663b |
hex | 132a7e7d527 |
1317076981031 has 8 divisors (see below), whose sum is σ = 1545912750240. Its totient is φ = 1098411690528.
The previous prime is 1317076981013. The next prime is 1317076981127. The reversal of 1317076981031 is 1301896707131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1317076981031 is a prime.
It is a super-2 number, since 2×13170769810312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1317076941031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2542619396 + ... + 2542619913.
It is an arithmetic number, because the mean of its divisors is an integer number (193239093780).
Almost surely, 21317076981031 is an apocalyptic number.
1317076981031 is a deficient number, since it is larger than the sum of its proper divisors (228835769209).
1317076981031 is an equidigital number, since it uses as much as digits as its factorization.
1317076981031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5085239353.
The product of its (nonzero) digits is 190512, while the sum is 47.
The spelling of 1317076981031 in words is "one trillion, three hundred seventeen billion, seventy-six million, nine hundred eighty-one thousand, thirty-one".
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