Search a number
-
+
105551110655 = 591291231241
BaseRepresentation
bin110001001001101010…
…1100010000111111111
3101002110001000222111122
41202103111202013333
53212132041020110
6120253422341155
710424440431404
oct1422325420777
9332401028448
10105551110655
1140844939761
1218558a2a7bb
139c518aa1c3
1451743c02ab
152b2b753255
hex18935621ff

105551110655 has 8 divisors (see below), whose sum is σ = 126663267984. Its totient is φ = 84439598400.

The previous prime is 105551110649. The next prime is 105551110661. The reversal of 105551110655 is 556011155501.

It is an interprime number because it is at equal distance from previous prime (105551110649) and next prime (105551110661).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105551110655 - 26 = 105551110591 is a prime.

It is a super-2 number, since 2×1055511106552 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340835 + ... + 572075.

It is an arithmetic number, because the mean of its divisors is an integer number (15832908498).

Almost surely, 2105551110655 is an apocalyptic number.

105551110655 is a deficient number, since it is larger than the sum of its proper divisors (21112157329).

105551110655 is an equidigital number, since it uses as much as digits as its factorization.

105551110655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322537.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 105551110655 in words is "one hundred five billion, five hundred fifty-one million, one hundred ten thousand, six hundred fifty-five".

Divisors: 1 5 91291 231241 456455 1156205 21110222131 105551110655