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105010100105051 = 731438494521987
BaseRepresentation
bin10111111000000110010001…
…101101101110111101011011
3111202210212102102120011010202
4113320012101231232331123
5102230441141111330201
61011200550215332415
731055505113320001
oct2770062155567533
9452725372504122
10105010100105051
11305065959a1099
12b93b7b208110b
134679543876c1b
141bd0731b38a71
15c21848a74c6b
hex5f8191b6ef5b

105010100105051 has 4 divisors (see below), whose sum is σ = 106448594627112. Its totient is φ = 103571605582992.

The previous prime is 105010100105011. The next prime is 105010100105059. The reversal of 105010100105051 is 150501001010501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105010100105051 is a prime.

It is a super-3 number, since 3×1050101001050513 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105010100105059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719247260921 + ... + 719247261066.

It is an arithmetic number, because the mean of its divisors is an integer number (26612148656778).

Almost surely, 2105010100105051 is an apocalyptic number.

105010100105051 is a deficient number, since it is larger than the sum of its proper divisors (1438494522061).

105010100105051 is an equidigital number, since it uses as much as digits as its factorization.

105010100105051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438494522060.

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 105010100105051 its reverse (150501001010501), we get a palindrome (255511101115552).

The spelling of 105010100105051 in words is "one hundred five trillion, ten billion, one hundred million, one hundred five thousand, fifty-one".

Divisors: 1 73 1438494521987 105010100105051