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133212210210 = 232529143335617
BaseRepresentation
bin111110000010000010…
…0010000010000100010
3110201211210021102122100
41330010010100100202
54140304311211320
6141110303551230
712424060050462
oct1740404202042
9421753242570
10133212210210
1151549902212
12219985bb516
13c73c529c31
146639d51ba2
1536e9d74790
hex1f04110422

133212210210 has 96 divisors (see below), whose sum is σ = 358555008240. Its totient is φ = 34273419264.

The previous prime is 133212210199. The next prime is 133212210251. The reversal of 133212210210 is 12012212331.

133212210210 is a `hidden beast` number, since 1 + 33 + 212 + 210 + 210 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 73577105001 + 59635105209 = 271251^2 + 244203^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3722322 + ... + 3757938.

Almost surely, 2133212210210 is an apocalyptic number.

133212210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133212210210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179277504120).

133212210210 is an abundant number, since it is smaller than the sum of its proper divisors (225342798030).

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

133212210210 is a wasteful number, since it uses less digits than its factorization.

133212210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37092 (or 37089 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 133212210210 its reverse (12012212331), we get a palindrome (145224422541).

The spelling of 133212210210 in words is "one hundred thirty-three billion, two hundred twelve million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 870 1305 1433 2610 2866 4299 7165 8598 12897 14330 21495 25794 35617 41557 42990 64485 71234 83114 106851 124671 128970 178085 207785 213702 249342 320553 356170 374013 415570 534255 623355 641106 748026 1032893 1068510 1246710 1602765 1870065 2065786 3098679 3205530 3740130 5164465 6197358 9296037 10328930 15493395 18592074 30986790 46480185 51039161 92960370 102078322 153117483 255195805 306234966 459352449 510391610 765587415 918704898 1480135669 1531174830 2296762245 2960271338 4440407007 4593524490 7400678345 8880814014 13321221021 14801356690 22202035035 26642442042 44404070070 66606105105 133212210210