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27433521245 = 513422054173
BaseRepresentation
bin11001100011001010…
…100101000001011101
32121210220000021101102
4121203022211001131
5422140440134440
620334111322445
71660554040334
oct314312450135
977726007342
1027433521245
11106a8564609
125397520425
13278275ab10
141483650d1b
15aa866ab15
hex6632a505d

27433521245 has 8 divisors (see below), whose sum is σ = 35452550616. Its totient is φ = 20258600256.

The previous prime is 27433521217. The next prime is 27433521257. The reversal of 27433521245 is 54212533472.

It can be written as a sum of positive squares in 4 ways, for example, as 434430649 + 26999090596 = 20843^2 + 164314^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27433521245 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27433521199 and 27433521208.

It is a congruent number.

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, 211027022 + ... + 211027151.

It is an arithmetic number, because the mean of its divisors is an integer number (4431568827).

Almost surely, 227433521245 is an apocalyptic number.

It is an amenable number.

27433521245 is a deficient number, since it is larger than the sum of its proper divisors (8019029371).

27433521245 is a wasteful number, since it uses less digits than its factorization.

27433521245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422054191.

The product of its digits is 201600, while the sum is 38.

The spelling of 27433521245 in words is "twenty-seven billion, four hundred thirty-three million, five hundred twenty-one thousand, two hundred forty-five".

Divisors: 1 5 13 65 422054173 2110270865 5486704249 27433521245