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245536656030445 = 5133777487015853
BaseRepresentation
bin110111110101000001110101…
…001010010111101011101101
31012012101002000201200012011211
4313311001311022113223231
5224140333032420433240
62230113552123314421
7102501303142211443
oct6765016512275355
91165332021605154
10245536656030445
117126556922460a
122365679537ba11
13a7010130b22c0
14448c0750d2b93
151d5be8a25bbea
hexdf5075297aed

245536656030445 has 8 divisors (see below), whose sum is σ = 317308909331736. Its totient is φ = 181319376760896.

The previous prime is 245536656030437. The next prime is 245536656030529. The reversal of 245536656030445 is 544030656635542.

It can be written as a sum of positive squares in 4 ways, for example, as 500022937129 + 245036633093316 = 707123^2 + 15653646^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 245536656030445 - 23 = 245536656030437 is a prime.

It is a super-2 number, since 2×2455366560304452 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245536656030445.

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, 1888743507862 + ... + 1888743507991.

It is an arithmetic number, because the mean of its divisors is an integer number (39663613666467).

Almost surely, 2245536656030445 is an apocalyptic number.

It is an amenable number.

245536656030445 is a deficient number, since it is larger than the sum of its proper divisors (71772253301291).

245536656030445 is a wasteful number, since it uses less digits than its factorization.

245536656030445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777487015871.

The product of its (nonzero) digits is 155520000, while the sum is 58.

The spelling of 245536656030445 in words is "two hundred forty-five trillion, five hundred thirty-six billion, six hundred fifty-six million, thirty thousand, four hundred forty-five".

Divisors: 1 5 13 65 3777487015853 18887435079265 49107331206089 245536656030445