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2116463125 = 547269109
BaseRepresentation
bin111111000100110…
…1010101000010101
312110111111110121011
41332021222220111
513313303310000
6550003052221
7103306432300
oct17611525025
95414443534
102116463125
11996763087
124b0971071
1327963345a
14161133b37
15c5c1a2ba
hex7e26aa15

2116463125 has 30 divisors (see below), whose sum is σ = 3076569870. Its totient is φ = 1451268000.

The previous prime is 2116463101. The next prime is 2116463131. The reversal of 2116463125 is 5213646112.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 741091729 + 1375371396 = 27223^2 + 37086^2 .

It is not a de Polignac number, because 2116463125 - 29 = 2116462613 is a prime.

It is a super-3 number, since 3×21164631253 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3930 + ... + 65179.

It is an arithmetic number, because the mean of its divisors is an integer number (102552329).

Almost surely, 22116463125 is an apocalyptic number.

2116463125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2116463125 is a deficient number, since it is larger than the sum of its proper divisors (960106745).

2116463125 is an frugal number, since it uses more digits than its factorization.

2116463125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69143 (or 69121 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 2116463125 is about 46005.0336919777. The cubic root of 2116463125 is about 1283.9168604356.

The spelling of 2116463125 in words is "two billion, one hundred sixteen million, four hundred sixty-three thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 49 125 175 245 625 875 1225 4375 6125 30625 69109 345545 483763 1727725 2418815 3386341 8638625 12094075 16931705 43193125 60470375 84658525 302351875 423292625 2116463125