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107885565745 = 5143053150833
BaseRepresentation
bin110010001111001111…
…0110001011100110001
3101022110201201120212021
41210132132301130301
53231422201100440
6121321214031441
710536335115046
oct1443636613461
9338421646767
10107885565745
1141832653391
1218aaa7a8581
13a234427089
14531645b1cd
152c1667d84a
hex191e7b1731

107885565745 has 8 divisors (see below), whose sum is σ = 129464442216. Its totient is φ = 86307277056.

The previous prime is 107885565713. The next prime is 107885565757. The reversal of 107885565745 is 547565588701.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79194965056 + 28690600689 = 281416^2 + 169383^2 .

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 107885565745 - 25 = 107885565713 is a prime.

It is a super-2 number, since 2×1078855657452 (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 639849 + ... + 790681.

It is an arithmetic number, because the mean of its divisors is an integer number (16183055277).

Almost surely, 2107885565745 is an apocalyptic number.

It is an amenable number.

107885565745 is a deficient number, since it is larger than the sum of its proper divisors (21578876471).

107885565745 is a wasteful number, since it uses less digits than its factorization.

107885565745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293891.

The product of its (nonzero) digits is 47040000, while the sum is 61.

The spelling of 107885565745 in words is "one hundred seven billion, eight hundred eighty-five million, five hundred sixty-five thousand, seven hundred forty-five".

Divisors: 1 5 143053 150833 715265 754165 21577113149 107885565745