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102104440443 = 3287803129209
BaseRepresentation
bin101111100010111100…
…1100001111001111011
3100202112211111222211100
41133011321201321323
53133102214043233
6114523420302443
710243146265245
oct1370571417173
9322484458740
10102104440443
113a336327385
12179566a1a23
1398227c3785
144d28745095
1529c8d7c813
hex17c5e61e7b

102104440443 has 12 divisors (see below), whose sum is σ = 147487012920. Its totient is φ = 68068324896.

The previous prime is 102104440433. The next prime is 102104440517. The reversal of 102104440443 is 344044401201.

102104440443 is a `hidden beast` number, since 1 + 0 + 210 + 4 + 4 + 4 + 0 + 443 = 666.

It is not a de Polignac number, because 102104440443 - 25 = 102104440411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102104440433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725623 + ... + 854831.

It is an arithmetic number, because the mean of its divisors is an integer number (12290584410).

Almost surely, 2102104440443 is an apocalyptic number.

102104440443 is a deficient number, since it is larger than the sum of its proper divisors (45382572477).

102104440443 is a wasteful number, since it uses less digits than its factorization.

102104440443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217018 (or 217015 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 102104440443 its reverse (344044401201), we get a palindrome (446148841644).

The spelling of 102104440443 in words is "one hundred two billion, one hundred four million, four hundred forty thousand, four hundred forty-three".

Divisors: 1 3 9 87803 129209 263409 387627 790227 1162881 11344937827 34034813481 102104440443