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121220132103313 = 2324789283193573
BaseRepresentation
bin11011100011111111000010…
…111010011110010010010001
3120220012112100102120221211221
4123203333002322132102101
5111342032312304301223
61105451432050205041
734350602610015025
oct3343770272362221
9526175312527757
10121220132103313
1135696195408511
1211719334b83781
135284017893239
1421d112b22a385
15e033319a3b5d
hex6e3fc2e9e491

121220132103313 has 48 divisors (see below), whose sum is σ = 131333114223360. Its totient is φ = 111810519735552.

The previous prime is 121220132103263. The next prime is 121220132103319. The reversal of 121220132103313 is 313301231022121.

It is not a de Polignac number, because 121220132103313 - 217 = 121220131972241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121220132103319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 626127595 + ... + 626321167.

It is an arithmetic number, because the mean of its divisors is an integer number (2736106546320).

Almost surely, 2121220132103313 is an apocalyptic number.

It is an amenable number.

121220132103313 is a deficient number, since it is larger than the sum of its proper divisors (10112982120047).

121220132103313 is a wasteful number, since it uses less digits than its factorization.

121220132103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194038 (or 194015 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121220132103313 its reverse (313301231022121), we get a palindrome (434521363125434).

The spelling of 121220132103313 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred thirty-two million, one hundred three thousand, three hundred thirteen".

Divisors: 1 23 47 89 283 529 1081 2047 4183 6509 13301 24863 25187 47081 96209 149707 193573 305923 579301 1183789 2212807 4452179 7036229 9097931 13323923 17227997 27227147 54781159 102400117 209252413 396243931 626224381 809715859 1259966657 2574714473 4812805499 4875523151 9113610413 18623464757 28979233111 59218432879 112137032473 229149588097 428339689411 1362023956217 2579151746879 5270440526231 121220132103313