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113121303212 = 22191277534529
BaseRepresentation
bin110100101011010001…
…1100001101010101100
3101210222121200121102202
41221112203201222230
53323133023200322
6123544530041032
711113152132551
oct1512643415254
9353877617382
10113121303212
1143a7a032445
1219b10119178
13a88a073598
145691964a28
152e2114d292
hex1a568e1aac

113121303212 has 24 divisors (see below), whose sum is σ = 199717512960. Its totient is φ = 56061296640.

The previous prime is 113121303199. The next prime is 113121303263. The reversal of 113121303212 is 212303121311.

It is a happy 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, 55637 + ... + 478892.

It is an arithmetic number, because the mean of its divisors is an integer number (8321563040).

Almost surely, 2113121303212 is an apocalyptic number.

It is an amenable number.

113121303212 is a deficient number, since it is larger than the sum of its proper divisors (86596209748).

113121303212 is a wasteful number, since it uses less digits than its factorization.

113121303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535001 (or 534999 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113121303212 its reverse (212303121311), we get a palindrome (325424424523).

The spelling of 113121303212 in words is "one hundred thirteen billion, one hundred twenty-one million, three hundred three thousand, two hundred twelve".

Divisors: 1 2 4 191 277 382 554 764 1108 52907 105814 211628 534529 1069058 2138116 102095039 148064533 204190078 296129066 408380156 592258132 28280325803 56560651606 113121303212