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102400333345 = 520480066669
BaseRepresentation
bin101111101011110001…
…0010001011000100001
3100210022110021220120201
41133113202101120201
53134203441131340
6115013030305201
710253401320622
oct1372742213041
9323273256521
10102400333345
113a478356072
1217a197b8201
13986bbb402b
144d55b69a49
1529e4d2979a
hex17d7891621

102400333345 has 4 divisors (see below), whose sum is σ = 122880400020. Its totient is φ = 81920266672.

The previous prime is 102400333339. The next prime is 102400333381. The reversal of 102400333345 is 543333004201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17538234624 + 84862098721 = 132432^2 + 291311^2 .

It is a cyclic number.

It is not a de Polignac number, because 102400333345 - 23 = 102400333337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10240033330 + ... + 10240033339.

It is an arithmetic number, because the mean of its divisors is an integer number (30720100005).

Almost surely, 2102400333345 is an apocalyptic number.

It is an amenable number.

102400333345 is a deficient number, since it is larger than the sum of its proper divisors (20480066675).

102400333345 is an equidigital number, since it uses as much as digits as its factorization.

102400333345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20480066674.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 102400333345 its reverse (543333004201), we get a palindrome (645733337546).

The spelling of 102400333345 in words is "one hundred two billion, four hundred million, three hundred thirty-three thousand, three hundred forty-five".

Divisors: 1 5 20480066669 102400333345