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368367016861 is a prime number
BaseRepresentation
bin1010101110001000110…
…00101001101110011101
31022012211010112022212201
411113010120221232131
522013403424014421
6441120411331501
735420322660244
oct5270430515635
91265733468781
10368367016861
11132250639a28
125b485450b91
1328976b6273c
1413b86d1995b
1598ae757b91
hex55c4629b9d

368367016861 has 2 divisors, whose sum is σ = 368367016862. Its totient is φ = 368367016860.

The previous prime is 368367016837. The next prime is 368367016921. The reversal of 368367016861 is 168610763863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330976993636 + 37390023225 = 575306^2 + 193365^2 .

It is a cyclic number.

It is not a de Polignac number, because 368367016861 - 221 = 368364919709 is a prime.

It is a super-2 number, since 2×3683670168612 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368367019861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184183508430 + 184183508431.

It is an arithmetic number, because the mean of its divisors is an integer number (184183508431).

Almost surely, 2368367016861 is an apocalyptic number.

It is an amenable number.

368367016861 is a deficient number, since it is larger than the sum of its proper divisors (1).

368367016861 is an equidigital number, since it uses as much as digits as its factorization.

368367016861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 368367016861 in words is "three hundred sixty-eight billion, three hundred sixty-seven million, sixteen thousand, eight hundred sixty-one".