Search a number
-
+
105951510225625 = 54199220692
BaseRepresentation
bin11000000101110011000010…
…001000010110001011011001
3111220010212100220210022122111
4120011303002020112023121
5102341402143104210000
61013201241333352321
731213513123315021
oct3005630210261331
9456125326708574
10105951510225625
1130839868410429
12ba721424986a1
13471725259874c
141c2411aab6a81
15c3b09677bcba
hex605cc22162d9

105951510225625 has 45 divisors (see below), whose sum is σ = 133130007128811. Its totient is φ = 84294511092000.

The previous prime is 105951510225569. The next prime is 105951510225667. The reversal of 105951510225625 is 526522015159501.

The square root of 105951510225625 is 10293275.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 104351679881289 + 1599830344336 = 10215267^2 + 1264844^2 .

It is not a de Polignac number, because 105951510225625 - 223 = 105951501837017 is a prime.

It is a super-2 number, since 2×1059515102256252 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 51209042091 + ... + 51209044159.

Almost surely, 2105951510225625 is an apocalyptic number.

105951510225625 is the 10293275-th square number.

105951510225625 is the 5146638-th centered octagonal number.

It is an amenable number.

105951510225625 is a deficient number, since it is larger than the sum of its proper divisors (27178496903186).

105951510225625 is an frugal number, since it uses more digits than its factorization.

105951510225625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 49.

The spelling of 105951510225625 in words is "one hundred five trillion, nine hundred fifty-one billion, five hundred ten million, two hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 199 625 995 2069 4975 10345 24875 39601 51725 124375 198005 258625 411731 990025 1293125 2058655 4280761 4950125 10293275 21403805 24750625 51466375 81934469 107019025 257331875 409672345 535095125 851871439 2048361725 2675475625 4259357195 10241808625 21296785975 51209043125 106483929875 169522416361 532419649375 847612081805 4238060409025 21190302045125 105951510225625