Base | Representation |
---|---|
bin | 11101100100000011110011… |
… | …011000010110010110101101 |
3 | 122001100220210021020201011021 |
4 | 131210003303120112112231 |
5 | 114020232142301343041 |
6 | 1140310550443054141 |
7 | 36246505563162331 |
oct | 3544036330262655 |
9 | 561326707221137 |
10 | 130021333231021 |
11 | 38479812a61471 |
12 | 126bb009511351 |
13 | 5771c612315cb |
14 | 24170cd5757c1 |
15 | 10072473bacd1 |
hex | 7640f36165ad |
130021333231021 has 8 divisors (see below), whose sum is σ = 135674695238400. Its totient is φ = 124367992937232.
The previous prime is 130021333230989. The next prime is 130021333231039. The reversal of 130021333231021 is 120132333120031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130021333231021 - 25 = 130021333230989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130021333231051) 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, 7458991 + ... + 17767363.
It is an arithmetic number, because the mean of its divisors is an integer number (16959336904800).
Almost surely, 2130021333231021 is an apocalyptic number.
It is an amenable number.
130021333231021 is a deficient number, since it is larger than the sum of its proper divisors (5653362007379).
130021333231021 is a wasteful number, since it uses less digits than its factorization.
130021333231021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10856795.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 130021333231021 its reverse (120132333120031), we get a palindrome (250153666351052).
The spelling of 130021333231021 in words is "one hundred thirty trillion, twenty-one billion, three hundred thirty-three million, two hundred thirty-one thousand, twenty-one".
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