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2011212103102 = 21005606051551
BaseRepresentation
bin11101010001000101100…
…101010011110110111110
321010021021211101200221221
4131101011211103312332
5230422430244244402
64135534343143554
7265206465544216
oct35210545236676
97107254350857
102011212103102
11705a4a8888a4
12285952a44bba
1311786c3c2bc7
146d4b39b3246
15374b24b7337
hex1d445953dbe

2011212103102 has 4 divisors (see below), whose sum is σ = 3016818154656. Its totient is φ = 1005606051550.

The previous prime is 2011212103099. The next prime is 2011212103133. The reversal of 2011212103102 is 2013012121102.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×20112121031024 (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502803025774 + ... + 502803025777.

It is an arithmetic number, because the mean of its divisors is an integer number (754204538664).

Almost surely, 22011212103102 is an apocalyptic number.

2011212103102 is a deficient number, since it is larger than the sum of its proper divisors (1005606051554).

2011212103102 is a wasteful number, since it uses less digits than its factorization.

2011212103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005606051553.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2011212103102 its reverse (2013012121102), we get a palindrome (4024224224204).

The spelling of 2011212103102 in words is "two trillion, eleven billion, two hundred twelve million, one hundred three thousand, one hundred two".

Divisors: 1 2 1005606051551 2011212103102