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228624420668790 = 2357620814022293
BaseRepresentation
bin110011111110111011000101…
…011000011000010101110110
31002222111021120222010112101010
4303332323011120120111312
5214431240303142400130
62130124335305413050
766104366162432046
oct6376730530302566
91088437528115333
10228624420668790
1166935088272013
1221784b3ba9a186
139a752622ba833
1440656a3c25726
151b670a4ae20b0
hexcfeec5618576

228624420668790 has 16 divisors (see below), whose sum is σ = 548698609605168. Its totient is φ = 60966512178336.

The previous prime is 228624420668789. The next prime is 228624420668879. The reversal of 228624420668790 is 97866024426822.

It is a super-2 number, since 2×2286244206687902 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3810407011117 + ... + 3810407011176.

It is an arithmetic number, because the mean of its divisors is an integer number (34293663100323).

Almost surely, 2228624420668790 is an apocalyptic number.

228624420668790 is an abundant number, since it is smaller than the sum of its proper divisors (320074188936378).

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

228624420668790 is a wasteful number, since it uses less digits than its factorization.

228624420668790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620814022303.

The product of its (nonzero) digits is 222953472, while the sum is 66.

The spelling of 228624420668790 in words is "two hundred twenty-eight trillion, six hundred twenty-four billion, four hundred twenty million, six hundred sixty-eight thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 7620814022293 15241628044586 22862442066879 38104070111465 45724884133758 76208140222930 114312210334395 228624420668790