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181411411345 = 537699626501
BaseRepresentation
bin1010100011110011110…
…1100111010110010001
3122100020212120112121221
42220330331213112101
510433012310130340
6215201140045041
716051354360663
oct2507475472621
9570225515557
10181411411345
116aa3301543a
122b1aa393781
131415118a0a8
148acd43c533
154abb5a444a
hex2a3cf67591

181411411345 has 8 divisors (see below), whose sum is σ = 217751475240. Its totient is φ = 145090608000.

The previous prime is 181411411331. The next prime is 181411411367. The reversal of 181411411345 is 543114114181.

It can be written as a sum of positive squares in 4 ways, for example, as 84028095376 + 97383315969 = 289876^2 + 312063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 181411411345 - 223 = 181403022737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 181411411345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4794406 + ... + 4832095.

It is an arithmetic number, because the mean of its divisors is an integer number (27218934405).

Almost surely, 2181411411345 is an apocalyptic number.

It is an amenable number.

181411411345 is a deficient number, since it is larger than the sum of its proper divisors (36340063895).

181411411345 is an equidigital number, since it uses as much as digits as its factorization.

181411411345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9630275.

The product of its digits is 7680, while the sum is 34.

The spelling of 181411411345 in words is "one hundred eighty-one billion, four hundred eleven million, four hundred eleven thousand, three hundred forty-five".

Divisors: 1 5 3769 18845 9626501 48132505 36282282269 181411411345