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208225966981452 = 223716691485248987
BaseRepresentation
bin101111010110000101100010…
…110010111000000101001100
31000022021012121122202110220220
4233112011202302320011030
5204243033240021401302
62014505404430111340
761600554401063250
oct5726054262700514
91008235548673826
10208225966981452
1160390155a15232
121b42b70704b550
138c25816b54994
14395c294d22260
15191167dea94bc
hexbd6162cb814c

208225966981452 has 48 divisors (see below), whose sum is σ = 555601941431040. Its totient is φ = 59457487407552.

The previous prime is 208225966981427. The next prime is 208225966981489. The reversal of 208225966981452 is 254189669522802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742484298 + ... + 742764689.

It is an arithmetic number, because the mean of its divisors is an integer number (11575040446480).

Almost surely, 2208225966981452 is an apocalyptic number.

It is an amenable number.

208225966981452 is an abundant number, since it is smaller than the sum of its proper divisors (347375974449588).

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

208225966981452 is a wasteful number, since it uses less digits than its factorization.

208225966981452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485250670 (or 1485250668 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 69.

The spelling of 208225966981452 in words is "two hundred eight trillion, two hundred twenty-five billion, nine hundred sixty-six million, nine hundred eighty-one thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1669 3338 5007 6676 10014 11683 20028 23366 35049 46732 70098 140196 1485248987 2970497974 4455746961 5940995948 8911493922 10396742909 17822987844 20793485818 31190228727 41586971636 62380457454 124760914908 2478880559303 4957761118606 7436641677909 9915522237212 14873283355818 17352163915121 29746566711636 34704327830242 52056491745363 69408655660484 104112983490726 208225966981452