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10500104405 = 57242857569
BaseRepresentation
bin10011100011101101…
…01110000011010101
31000002202210120101202
421301312232003111
5133001011320110
64453525402245
7521126262200
oct116166560325
930082716352
1010500104405
1144a904293a
122050569385
13cb44aac3b
14718744937
15416c470a5
hex271dae0d5

10500104405 has 12 divisors (see below), whose sum is σ = 14657288940. Its totient is φ = 7200071424.

The previous prime is 10500104353. The next prime is 10500104411. The reversal of 10500104405 is 50440100501.

It can be written as a sum of positive squares in 2 ways, for example, as 6013382116 + 4486722289 = 77546^2 + 66983^2 .

It is not a de Polignac number, because 10500104405 - 210 = 10500103381 is a prime.

It is a super-2 number, since 2×105001044052 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21428540 + ... + 21429029.

It is an arithmetic number, because the mean of its divisors is an integer number (1221440745).

Almost surely, 210500104405 is an apocalyptic number.

It is an amenable number.

10500104405 is a deficient number, since it is larger than the sum of its proper divisors (4157184535).

10500104405 is an equidigital number, since it uses as much as digits as its factorization.

10500104405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42857588 (or 42857581 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 10500104405 its reverse (50440100501), we get a palindrome (60940204906).

The spelling of 10500104405 in words is "ten billion, five hundred million, one hundred four thousand, four hundred five".

Divisors: 1 5 7 35 49 245 42857569 214287845 300002983 1500014915 2100020881 10500104405