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2112130250 = 253192319333
BaseRepresentation
bin111110111100100…
…1000110011001010
312110012100100000022
41331321020303022
513311201132000
6545330140442
7103224545066
oct17571106312
95405310008
102112130250
1199427379a
124ab421722
13278777219
14160726aa6
15c5661585
hex7de48cca

2112130250 has 64 divisors (see below), whose sum is σ = 4343189760. Its totient is φ = 765547200.

The previous prime is 2112130249. The next prime is 2112130253. The reversal of 2112130250 is 520312112.

It is a happy number.

It is a super-2 number, since 2×21121302502 = 8922188385930125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112130253) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 99584 + ... + 118916.

It is an arithmetic number, because the mean of its divisors is an integer number (67862340).

Almost surely, 22112130250 is an apocalyptic number.

2112130250 is an abundant number, since it is smaller than the sum of its proper divisors (2231059510).

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

2112130250 is a wasteful number, since it uses less digits than its factorization.

2112130250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19392 (or 19382 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2112130250 is about 45957.9182513743. The cubic root of 2112130250 is about 1283.0401065412.

Adding to 2112130250 its reverse (520312112), we get a palindrome (2632442362).

The spelling of 2112130250 in words is "two billion, one hundred twelve million, one hundred thirty thousand, two hundred fifty".

Divisors: 1 2 5 10 19 23 25 38 46 50 95 115 125 190 230 250 437 475 575 874 950 1150 2185 2375 2875 4370 4750 5750 10925 19333 21850 38666 54625 96665 109250 193330 367327 444659 483325 734654 889318 966650 1836635 2223295 2416625 3673270 4446590 4833250 8448521 9183175 11116475 16897042 18366350 22232950 42242605 45915875 55582375 84485210 91831750 111164750 211213025 422426050 1056065125 2112130250