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102382050643 = 250969407947
BaseRepresentation
bin101111101011001110…
…0100001110101010011
3100210021011220001102121
41133112130201311103
53134134301110033
6115011134355111
710253060033365
oct1372634416523
9323234801377
10102382050643
113a468aa8aa4
1217a1365ba97
139868182472
144d5356ad35
1529e341762d
hex17d6721d53

102382050643 has 4 divisors (see below), whose sum is σ = 102382709560. Its totient is φ = 102381391728.

The previous prime is 102382050629. The next prime is 102382050647. The reversal of 102382050643 is 346050283201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102382050643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102382050599 and 102382050608.

It is not an unprimeable number, because it can be changed into a prime (102382050647) 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, 46996 + ... + 454942.

It is an arithmetic number, because the mean of its divisors is an integer number (25595677390).

Almost surely, 2102382050643 is an apocalyptic number.

102382050643 is a deficient number, since it is larger than the sum of its proper divisors (658917).

102382050643 is an equidigital number, since it uses as much as digits as its factorization.

102382050643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658916.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 102382050643 in words is "one hundred two billion, three hundred eighty-two million, fifty thousand, six hundred forty-three".

Divisors: 1 250969 407947 102382050643