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105060511055551 = 1049100153013399
BaseRepresentation
bin10111111000110101001110…
…011100001111111010111111
3111202222200112122122202212111
4113320311032130033322333
5102232302411312234201
61011240044341114451
731062241255323112
oct2770651634177277
9452880478582774
10105060511055551
1130525a04629357
12b9495206b8a27
1346812187c060c
141bd2d54c80579
15c22ce9542b51
hex5f8d4e70febf

105060511055551 has 4 divisors (see below), whose sum is σ = 105160664070000. Its totient is φ = 104960358041104.

The previous prime is 105060511055531. The next prime is 105060511055557. The reversal of 105060511055551 is 155550115060501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105060511055551 - 221 = 105060508958399 is a prime.

It is a super-2 number, since 2×1050605110555512 (a number of 29 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 (105060511055557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50076505651 + ... + 50076507748.

It is an arithmetic number, because the mean of its divisors is an integer number (26290166017500).

Almost surely, 2105060511055551 is an apocalyptic number.

105060511055551 is a deficient number, since it is larger than the sum of its proper divisors (100153014449).

105060511055551 is a wasteful number, since it uses less digits than its factorization.

105060511055551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100153014448.

The product of its (nonzero) digits is 93750, while the sum is 40.

The spelling of 105060511055551 in words is "one hundred five trillion, sixty billion, five hundred eleven million, fifty-five thousand, five hundred fifty-one".

Divisors: 1 1049 100153013399 105060511055551