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102430412121 = 334143470707
BaseRepresentation
bin101111101100101010…
…1000000110101011001
3100210101112220001220110
41133121111000311121
53134234141141441
6115020023114533
710254215065062
oct1373125006531
9323345801813
10102430412121
113a49332a764
1217a278a2a49
1398751b5b1b
144d59b59569
1529e77bbb16
hex17d9540d59

102430412121 has 4 divisors (see below), whose sum is σ = 136573882832. Its totient is φ = 68286941412.

The previous prime is 102430412113. The next prime is 102430412153. The reversal of 102430412121 is 121214034201.

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.

It is not a de Polignac number, because 102430412121 - 23 = 102430412113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102430412921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17071735351 + ... + 17071735356.

It is an arithmetic number, because the mean of its divisors is an integer number (34143470708).

Almost surely, 2102430412121 is an apocalyptic number.

It is an amenable number.

102430412121 is a deficient number, since it is larger than the sum of its proper divisors (34143470711).

102430412121 is an equidigital number, since it uses as much as digits as its factorization.

102430412121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34143470710.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102430412121 its reverse (121214034201), we get a palindrome (223644446322).

The spelling of 102430412121 in words is "one hundred two billion, four hundred thirty million, four hundred twelve thousand, one hundred twenty-one".

Divisors: 1 3 34143470707 102430412121