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133011201012220 = 225311695011265681
BaseRepresentation
bin11110001111100100010101…
…011000110011000111111100
3122102221202011021221221101101
4132033210111120303013330
5114413223414424342340
61150520300250022444
740005512362043056
oct3617442530630774
9572852137857341
10133011201012220
11394218084161a3
1212b02566117a24
13592ab9685c66b
1424bbac292c8d6
151059dd7335c9a
hex78f9156331fc

133011201012220 has 48 divisors (see below), whose sum is σ = 288335887209216. Its totient is φ = 51487862400000.

The previous prime is 133011201012203. The next prime is 133011201012223. The reversal of 133011201012220 is 22210102110331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133011201012223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104457780 + ... + 105723460.

It is an arithmetic number, because the mean of its divisors is an integer number (6006997650192).

Almost surely, 2133011201012220 is an apocalyptic number.

133011201012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133011201012220 is an abundant number, since it is smaller than the sum of its proper divisors (155324686196996).

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

133011201012220 is a wasteful number, since it uses less digits than its factorization.

133011201012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435222 (or 1435220 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 133011201012220 its reverse (22210102110331), we get a palindrome (155221303122551).

The spelling of 133011201012220 in words is "one hundred thirty-three trillion, eleven billion, two hundred one million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 169501 339002 678004 847505 1265681 1695010 2531362 3390020 5062724 5254531 6328405 10509062 12656810 21018124 25313620 26272655 39236111 52545310 78472222 105090620 156944444 196180555 392361110 784722220 214534195181 429068390362 858136780724 1072670975905 2145341951810 4290683903620 6650560050611 13301120101222 26602240202444 33252800253055 66505600506110 133011201012220