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2116672100 = 225221166721
BaseRepresentation
bin111111000101001…
…1101101001100100
312110111220002020222
41332022131221210
513313332001400
6550011343512
7103311262454
oct17612355144
95414802228
102116672100
11996896094
124b0a51b98
132796a75ca
14161189d64
15c5c5c185
hex7e29da64

2116672100 has 18 divisors (see below), whose sum is σ = 4593178674. Its totient is φ = 846668800.

The previous prime is 2116672081. The next prime is 2116672111. The reversal of 2116672100 is 12766112.

It can be written as a sum of positive squares in 3 ways, for example, as 75620416 + 2041051684 = 8696^2 + 45178^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2116672100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10583261 + ... + 10583460.

It is an arithmetic number, because the mean of its divisors is an integer number (255176593).

Almost surely, 22116672100 is an apocalyptic number.

2116672100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116672100 is an abundant number, since it is smaller than the sum of its proper divisors (2476506574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116672100 is a wasteful number, since it uses less digits than its factorization.

2116672100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21166735 (or 21166728 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2116672100 is about 46007.3048547728. The cubic root of 2116672100 is about 1283.9591161046.

The spelling of 2116672100 in words is "two billion, one hundred sixteen million, six hundred seventy-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21166721 42333442 84666884 105833605 211667210 423334420 529168025 1058336050 2116672100