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133033310312020 = 225199322189150413
BaseRepresentation
bin11110001111111000111011…
…001101000101011001010100
3122110000212020010111201222221
4132033320323031011121110
5114414104204414441040
61150534354205032124
740010224306016056
oct3617707315053124
9573025203451887
10133033310312020
1139430123555398
1212b068b6555644
13592ccab230091
1424bcbbd0018d6
15105a77d35474a
hex78fe3b345654

133033310312020 has 48 divisors (see below), whose sum is σ = 279524582401680. Its totient is φ = 53183873442816.

The previous prime is 133033310312017. The next prime is 133033310312027. The reversal of 133033310312020 is 20213013330331.

It can be written as a sum of positive squares in 8 ways, for example, as 16028460645136 + 117004849666884 = 4003556^2 + 10816878^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033310312027) 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, 884378334 + ... + 884528746.

It is an arithmetic number, because the mean of its divisors is an integer number (5823428800035).

Almost surely, 2133033310312020 is an apocalyptic number.

133033310312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133033310312020 is an abundant number, since it is smaller than the sum of its proper divisors (146491272089660).

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

133033310312020 is a wasteful number, since it uses less digits than its factorization.

133033310312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174604 (or 174602 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133033310312020 its reverse (20213013330331), we get a palindrome (153246323642351).

The spelling of 133033310312020 in words is "one hundred thirty-three trillion, thirty-three billion, three hundred ten million, three hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 1993 3986 7972 9965 19930 22189 39860 44378 88756 110945 150413 221890 300826 443780 601652 752065 1504130 3008260 44222677 88445354 176890708 221113385 299773109 442226770 599546218 884453540 1199092436 1498865545 2997731090 3337514057 5995462180 6675028114 13350056228 16687570285 33375140570 66750281140 6651665515601 13303331031202 26606662062404 33258327578005 66516655156010 133033310312020