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10815488141 = 101107084041
BaseRepresentation
bin10100001001010011…
…10100000010001101
31000220202020201112212
422010221310002031
5134122231110031
64545113240205
7532006063253
oct120451640215
930822221485
1010815488141
114650074357
12211a103065
131034933c33
147485a05d3
1543479412b
hex284a7408d

10815488141 has 4 divisors (see below), whose sum is σ = 10922572284. Its totient is φ = 10708404000.

The previous prime is 10815488129. The next prime is 10815488147. The reversal of 10815488141 is 14188451801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5565906025 + 5249582116 = 74605^2 + 72454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10815488141 is a prime.

It is a super-2 number, since 2×108154881412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10815488147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53541920 + ... + 53542121.

It is an arithmetic number, because the mean of its divisors is an integer number (2730643071).

Almost surely, 210815488141 is an apocalyptic number.

It is an amenable number.

10815488141 is a deficient number, since it is larger than the sum of its proper divisors (107084143).

10815488141 is a wasteful number, since it uses less digits than its factorization.

10815488141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107084142.

The product of its (nonzero) digits is 40960, while the sum is 41.

The spelling of 10815488141 in words is "ten billion, eight hundred fifteen million, four hundred eighty-eight thousand, one hundred forty-one".

Divisors: 1 101 107084041 10815488141