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102420423433 = 1071815288399
BaseRepresentation
bin101111101100010111…
…0111010001100001001
3100210100212002121000001
41133120232322030021
53134224112022213
6115015025043001
710254034143406
oct1373056721411
9323325077001
10102420423433
113a488728049
1217a24486461
1398730c9463
144d586b92ad
1529e69971dd
hex17d8bba309

102420423433 has 8 divisors (see below), whose sum is σ = 103948790400. Its totient is φ = 100902633840.

The previous prime is 102420423421. The next prime is 102420423439. The reversal of 102420423433 is 334324024201.

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 102420423433 - 213 = 102420415241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102420423439) 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, 2624833 + ... + 2663566.

It is an arithmetic number, because the mean of its divisors is an integer number (12993598800).

Almost surely, 2102420423433 is an apocalyptic number.

It is an amenable number.

102420423433 is a deficient number, since it is larger than the sum of its proper divisors (1528366967).

102420423433 is a wasteful number, since it uses less digits than its factorization.

102420423433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288687.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 102420423433 its reverse (334324024201), we get a palindrome (436744447634).

The spelling of 102420423433 in words is "one hundred two billion, four hundred twenty million, four hundred twenty-three thousand, four hundred thirty-three".

Divisors: 1 107 181 19367 5288399 565858693 957200219 102420423433