Base | Representation |
---|---|
bin | 101111101100011000… |
… | …1001110110001110101 |
3 | 100210100220020111212112 |
4 | 1133120301032301311 |
5 | 3134224241011203 |
6 | 115015050100405 |
7 | 10254042256664 |
oct | 1373061166165 |
9 | 323326214775 |
10 | 102421032053 |
11 | 3a48900333a |
12 | 17a2471a705 |
13 | 98732804a2 |
14 | 4d587d6ddb |
15 | 29e6a676d8 |
hex | 17d8c4ec75 |
102421032053 has 4 divisors (see below), whose sum is σ = 102422287968. Its totient is φ = 102419776140.
The previous prime is 102421032041. The next prime is 102421032067. The reversal of 102421032053 is 350230124201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350230124201 = 20411 ⋅17158891.
It is a cyclic number.
It is not a de Polignac number, because 102421032053 - 216 = 102420966517 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 (102421037053) 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, 496451 + ... + 671792.
It is an arithmetic number, because the mean of its divisors is an integer number (25605571992).
Almost surely, 2102421032053 is an apocalyptic number.
It is an amenable number.
102421032053 is a deficient number, since it is larger than the sum of its proper divisors (1255915).
102421032053 is an equidigital number, since it uses as much as digits as its factorization.
102421032053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1255914.
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 102421032053 its reverse (350230124201), we get a palindrome (452651156254).
The spelling of 102421032053 in words is "one hundred two billion, four hundred twenty-one million, thirty-two thousand, fifty-three".
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