Search a number
-
+
133331321330 = 25293496611993
BaseRepresentation
bin111110000101100101…
…0101000000111110010
3110202011002101220101022
41330023022220013302
54141030304240310
6141130200535442
712430034350304
oct1741312500762
9422132356338
10133331321330
1151600067159
1221a10481582
13c75b10239c
14664bab9974
153705551a55
hex1f0b2a81f2

133331321330 has 64 divisors (see below), whose sum is σ = 249485292000. Its totient is φ = 51242526720.

The previous prime is 133331321309. The next prime is 133331321339. The reversal of 133331321330 is 33123133331.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 59745536041 + 73585785289 = 244429^2 + 271267^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133331321330.

It is not an unprimeable number, because it can be changed into a prime (133331321339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66898814 + ... + 66900806.

Almost surely, 2133331321330 is an apocalyptic number.

133331321330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133331321330 is a deficient number, since it is larger than the sum of its proper divisors (116153970670).

133331321330 is a wasteful number, since it uses less digits than its factorization.

133331321330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 133331321330 its reverse (33123133331), we get a palindrome (166454454661).

The spelling of 133331321330 in words is "one hundred thirty-three billion, three hundred thirty-one million, three hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 349 661 698 1322 1745 1993 3305 3490 3986 6610 9965 10121 19169 19930 20242 38338 50605 57797 95845 101210 115594 191690 230689 288985 461378 577970 695557 1153445 1317373 1391114 2306890 2634746 3477785 6586865 6689981 6955570 13173730 13379962 20171153 33449905 38203817 40342306 66899810 76407634 100855765 191019085 201711530 382038170 459763177 919526354 2298815885 4597631770 13333132133 26666264266 66665660665 133331321330