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22013012203 = 7213177719447
BaseRepresentation
bin10100100000000100…
…111110100011101011
32002211010100212212021
4110200010332203223
5330040312342303
614040155125311
71406334342100
oct244004764353
962733325767
1022013012203
119376853976
124324143837
1320ca759910
1410cb7aaaa7
1588c84debd
hex52013e8eb

22013012203 has 24 divisors (see below), whose sum is σ = 27593678112. Its totient is φ = 17406192384.

The previous prime is 22013012183. The next prime is 22013012251. The reversal of 22013012203 is 30221031022.

It is a de Polignac number, because none of the positive numbers 2k-22013012203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22013012303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1122226 + ... + 1141672.

It is an arithmetic number, because the mean of its divisors is an integer number (1149736588).

Almost surely, 222013012203 is an apocalyptic number.

22013012203 is a deficient number, since it is larger than the sum of its proper divisors (5580665909).

22013012203 is a wasteful number, since it uses less digits than its factorization.

22013012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21251 (or 21244 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22013012203 its reverse (30221031022), we get a palindrome (52234043225).

The spelling of 22013012203 in words is "twenty-two billion, thirteen million, twelve thousand, two hundred three".

Divisors: 1 7 13 49 91 637 1777 12439 19447 23101 87073 136129 161707 252811 952903 1131949 1769677 12387739 34557319 241901233 449245147 1693308631 3144716029 22013012203