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105055051051 = 119818768471
BaseRepresentation
bin110000111010111000…
…1001101110100101011
3101001011110121112122201
41201311301031310223
53210123043113201
6120132302201031
710406235125446
oct1416561156453
9331143545581
10105055051051
114060a923845
121843a883177
139ba2ba4802
14512857265d
152aece17801
hex1875c4dd2b

105055051051 has 4 divisors (see below), whose sum is σ = 105063831504. Its totient is φ = 105046270600.

The previous prime is 105055051033. The next prime is 105055051063. The reversal of 105055051051 is 150150550501.

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 105055051051 - 25 = 105055051019 is a prime.

It is a super-2 number, since 2×1050550510512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105055051001) 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, 4372255 + ... + 4396216.

It is an arithmetic number, because the mean of its divisors is an integer number (26265957876).

Almost surely, 2105055051051 is an apocalyptic number.

105055051051 is a deficient number, since it is larger than the sum of its proper divisors (8780453).

105055051051 is an equidigital number, since it uses as much as digits as its factorization.

105055051051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8780452.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 105055051051 in words is "one hundred five billion, fifty-five million, fifty-one thousand, fifty-one".

Divisors: 1 11981 8768471 105055051051