Base | Representation |
---|---|
bin | 10011000110001011001… |
… | …111011010110100010111 |
3 | 11122110021112001002112222 |
4 | 103012023033122310113 |
5 | 133000043040202221 |
6 | 2442510210532555 |
7 | 163545021206525 |
oct | 23061317326427 |
9 | 4573245032488 |
10 | 1312301100311 |
11 | 4665a88399a3 |
12 | 1923bab9715b |
13 | 96998753816 |
14 | 47731185315 |
15 | 24208d209ab |
hex | 1318b3dad17 |
1312301100311 has 4 divisors (see below), whose sum is σ = 1312373785800. Its totient is φ = 1312228414824.
The previous prime is 1312301100247. The next prime is 1312301100343. The reversal of 1312301100311 is 1130011032131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1312301100311 - 26 = 1312301100247 is a prime.
It is a super-2 number, since 2×13123011003112 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1312301100311.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312301100361) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36315656 + ... + 36351773.
It is an arithmetic number, because the mean of its divisors is an integer number (328093446450).
Almost surely, 21312301100311 is an apocalyptic number.
1312301100311 is a deficient number, since it is larger than the sum of its proper divisors (72685489).
1312301100311 is an equidigital number, since it uses as much as digits as its factorization.
1312301100311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72685488.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 1312301100311 its reverse (1130011032131), we get a palindrome (2442312132442).
The spelling of 1312301100311 in words is "one trillion, three hundred twelve billion, three hundred one million, one hundred thousand, three hundred eleven".
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