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211112003132310 = 235721733912491259
BaseRepresentation
bin110000000000000101010111…
…111101000101101110010110
31000200111002222110221101012110
4300000011113331011232112
5210132324340300213220
62024555303152531450
762316224145440400
oct6000052775055626
91020432873841173
10211112003132310
11612a31090a9315
121b816b06850b86
1390a4a12bb2b07
143a1bc38411b70
151961793621be0
hexc00157f45b96

211112003132310 has 192 divisors, whose sum is σ = 624244544778240. Its totient is φ = 45402280197120.

The previous prime is 211112003132297. The next prime is 211112003132311. The reversal of 211112003132310 is 13231300211112.

It is a super-2 number, since 2×2111120031323102 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112003132311) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 83495461 + ... + 85986719.

It is an arithmetic number, because the mean of its divisors is an integer number (3251273670720).

Almost surely, 2211112003132310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211112003132310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312122272389120).

211112003132310 is an abundant number, since it is smaller than the sum of its proper divisors (413132541645930).

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

211112003132310 is a wasteful number, since it uses less digits than its factorization.

211112003132310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494691 (or 2494684 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 211112003132310 its reverse (13231300211112), we get a palindrome (224343303343422).

The spelling of 211112003132310 in words is "two hundred eleven trillion, one hundred twelve billion, three million, one hundred thirty-two thousand, three hundred ten".