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201210331012132 = 221321997149047781
BaseRepresentation
bin101101101111111111101110…
…010011100001110000100100
3222101102112000220221221221211
4231233333232103201300210
5202333112224214342012
61551534425555321204
760244652401214461
oct5557775623416044
9871375026857854
10201210331012132
115912590534a7a2
121a697ab08b0204
13883708bccc700
1437988bc238668
15183de20c206a7
hexb6ffee4e1c24

201210331012132 has 36 divisors (see below), whose sum is σ = 381478557066516. Its totient is φ = 92819803090560.

The previous prime is 201210331012127. The next prime is 201210331012139. The reversal of 201210331012132 is 231210133012102.

It can be written as a sum of positive squares in 6 ways, for example, as 93951457436736 + 107258873575396 = 9692856^2 + 10356586^2 .

It is not an unprimeable number, because it can be changed into a prime (201210331012139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73173919 + ... + 75873862.

It is an arithmetic number, because the mean of its divisors is an integer number (10596626585181).

Almost surely, 2201210331012132 is an apocalyptic number.

It is an amenable number.

201210331012132 is a deficient number, since it is larger than the sum of its proper divisors (180268226054384).

201210331012132 is a wasteful number, since it uses less digits than its factorization.

201210331012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149049808 (or 149049793 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201210331012132 its reverse (231210133012102), we get a palindrome (432420464024234).

The spelling of 201210331012132 in words is "two hundred one trillion, two hundred ten billion, three hundred thirty-one million, twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 169 338 676 1997 3994 7988 25961 51922 103844 337493 674986 1349972 149047781 298095562 596191124 1937621153 3875242306 7750484612 25189074989 50378149978 100756299956 297648418657 595296837314 1190593674628 3869429442541 7738858885082 15477717770164 50302582753033 100605165506066 201210331012132