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228131228202 = 2338021871367
BaseRepresentation
bin1101010001110110101…
…1100100101000101010
3210210211212011010220020
43110131223210220222
512214203043300302
6252445123541310
722324206305403
oct3243553445052
9723755133806
10228131228202
1188828149329
123826882a836
1318688495737
14b0822709aa
155e02eacebc
hex351dae4a2a

228131228202 has 8 divisors (see below), whose sum is σ = 456262456416. Its totient is φ = 76043742732.

The previous prime is 228131228201. The next prime is 228131228207. The reversal of 228131228202 is 202822131822.

228131228202 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

228131228202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (228131228201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19010935678 + ... + 19010935689.

It is an arithmetic number, because the mean of its divisors is an integer number (57032807052).

Almost surely, 2228131228202 is an apocalyptic number.

228131228202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228131228202 is a wasteful number, since it uses less digits than its factorization.

228131228202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38021871372.

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 228131228202 in words is "two hundred twenty-eight billion, one hundred thirty-one million, two hundred twenty-eight thousand, two hundred two".

Divisors: 1 2 3 6 38021871367 76043742734 114065614101 228131228202