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131202222201304 = 2316400277775163
BaseRepresentation
bin11101110101001111100101…
…110110010001100111011000
3122012112210212110011220212021
4131311033211312101213120
5114144104122340420204
61143013245132024224
736431022242621512
oct3565174566214730
9565483773156767
10131202222201304
1138894605aa8021
121286ba52902074
1358294163758b7
1424583158a2bb2
151027d0e3d9154
hex7753e5d919d8

131202222201304 has 8 divisors (see below), whose sum is σ = 246004166627460. Its totient is φ = 65601111100648.

The previous prime is 131202222201221. The next prime is 131202222201329. The reversal of 131202222201304 is 403102222202131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1312022222013042 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8200138887574 + ... + 8200138887589.

Almost surely, 2131202222201304 is an apocalyptic number.

It is an amenable number.

131202222201304 is a deficient number, since it is larger than the sum of its proper divisors (114801944426156).

131202222201304 is a wasteful number, since it uses less digits than its factorization.

131202222201304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16400277775169 (or 16400277775165 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 131202222201304 its reverse (403102222202131), we get a palindrome (534304444403435).

The spelling of 131202222201304 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twenty-two million, two hundred one thousand, three hundred four".

Divisors: 1 2 4 8 16400277775163 32800555550326 65601111100652 131202222201304