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53200668361 is a prime number
BaseRepresentation
bin110001100011000000…
…011100011011001001
312002022122102222012111
4301203000130123021
51332423332341421
640235014542321
73562235135251
oct614300343311
9162278388174
1053200668361
1120620432615
12a3889679a1
13502abb3829
142809850961
1515b5875ee1
hexc6301c6c9

53200668361 has 2 divisors, whose sum is σ = 53200668362. Its totient is φ = 53200668360.

The previous prime is 53200668349. The next prime is 53200668449. The reversal of 53200668361 is 16386600235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44377635600 + 8823032761 = 210660^2 + 93931^2 .

It is a cyclic number.

It is not a de Polignac number, because 53200668361 - 27 = 53200668233 is a prime.

It is a super-2 number, since 2×532006683612 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53200668331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26600334180 + 26600334181.

It is an arithmetic number, because the mean of its divisors is an integer number (26600334181).

Almost surely, 253200668361 is an apocalyptic number.

It is an amenable number.

53200668361 is a deficient number, since it is larger than the sum of its proper divisors (1).

53200668361 is an equidigital number, since it uses as much as digits as its factorization.

53200668361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 53200668361 in words is "fifty-three billion, two hundred million, six hundred sixty-eight thousand, three hundred sixty-one".