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401669160293 is a prime number
BaseRepresentation
bin1011101100001010101…
…10001111110101100101
31102101210000101111110102
411312011112033311211
523040104301112133
6504305124033445
741006510346362
oct5660526176545
91371700344412
10401669160293
1114538a851215
1265a1a232885
132bb533aa65b
1415625b3b469
15a6ad2097e8
hex5d8558fd65

401669160293 has 2 divisors, whose sum is σ = 401669160294. Its totient is φ = 401669160292.

The previous prime is 401669160239. The next prime is 401669160301. The reversal of 401669160293 is 392061966104.

It is a happy number.

Together with previous prime (401669160239) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400337129284 + 1332031009 = 632722^2 + 36497^2 .

It is a cyclic number.

It is not a de Polignac number, because 401669160293 - 238 = 126791253349 is a prime.

It is a super-2 number, since 2×4016691602932 (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 (401669163293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200834580146 + 200834580147.

It is an arithmetic number, because the mean of its divisors is an integer number (200834580147).

Almost surely, 2401669160293 is an apocalyptic number.

It is an amenable number.

401669160293 is a deficient number, since it is larger than the sum of its proper divisors (1).

401669160293 is an equidigital number, since it uses as much as digits as its factorization.

401669160293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 401669160293 in words is "four hundred one billion, six hundred sixty-nine million, one hundred sixty thousand, two hundred ninety-three".