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13233121208 = 23235257
BaseRepresentation
bin11000101001100000…
…10110011110111000
31021011020110012122022
430110300112132320
5204100134334313
610025035414012
7645633450206
oct142460263670
937136405568
1013233121208
11568082a90a
1226938b4308
13132b784848
148d76d0076
15526b4ec08
hex314c167b8

13233121208 has 48 divisors (see below), whose sum is σ = 26040858480. Its totient is φ = 6304258048.

The previous prime is 13233121207. The next prime is 13233121211. The reversal of 13233121208 is 80212133231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233121207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51490616 + ... + 51490872.

It is an arithmetic number, because the mean of its divisors is an integer number (542517885).

Almost surely, 213233121208 is an apocalyptic number.

It is an amenable number.

13233121208 is a deficient number, since it is larger than the sum of its proper divisors (12807737272).

13233121208 is an frugal number, since it uses more digits than its factorization.

13233121208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 13233121208 its reverse (80212133231), we get a palindrome (93445254439).

The spelling of 13233121208 in words is "thirteen billion, two hundred thirty-three million, one hundred twenty-one thousand, two hundred eight".

Divisors: 1 2 4 8 23 46 92 184 257 514 529 1028 1058 2056 2116 4232 5911 11822 12167 23644 24334 47288 48668 97336 135953 271906 279841 543812 559682 1087624 1119364 2238728 3126919 6253838 6436343 12507676 12872686 25015352 25745372 51490744 71919137 143838274 287676548 575353096 1654140151 3308280302 6616560604 13233121208