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105500550601 = 412573184161
BaseRepresentation
bin110001001000001010…
…0101010010111001001
3101002022111220021011001
41202100110222113021
53212031120104401
6120244414535001
710423254612115
oct1422024522711
9332274807131
10105500550601
1140819346196
1218543b07461
139c44286c04
14516b7bc745
152b270b7601
hex189052a5c9

105500550601 has 4 divisors (see below), whose sum is σ = 108073734804. Its totient is φ = 102927366400.

The previous prime is 105500550541. The next prime is 105500550641. The reversal of 105500550601 is 106055005501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106055005501 = 311473404983.

It can be written as a sum of positive squares in 2 ways, for example, as 30150849600 + 75349701001 = 173640^2 + 274499^2 .

It is a cyclic number.

It is not a de Polignac number, because 105500550601 - 213 = 105500542409 is a prime.

It is a super-2 number, since 2×1055005506012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105500550601.

It is not an unprimeable number, because it can be changed into a prime (105500550641) 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, 1286592040 + ... + 1286592121.

It is an arithmetic number, because the mean of its divisors is an integer number (27018433701).

Almost surely, 2105500550601 is an apocalyptic number.

It is an amenable number.

105500550601 is a deficient number, since it is larger than the sum of its proper divisors (2573184203).

105500550601 is an equidigital number, since it uses as much as digits as its factorization.

105500550601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573184202.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 105500550601 in words is "one hundred five billion, five hundred million, five hundred fifty thousand, six hundred one".

Divisors: 1 41 2573184161 105500550601