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405290093093 is a prime number
BaseRepresentation
bin1011110010111010010…
…11000000101000100101
31102202010100210221110122
411321131023000220211
523120013230434333
6510104313131325
741165315643644
oct5713513005045
91382110727418
10405290093093
11146978767666
126666a9b9b45
132c2ac609642
141588a9b935b
15a821053798
hex5e5d2c0a25

405290093093 has 2 divisors, whose sum is σ = 405290093094. Its totient is φ = 405290093092.

The previous prime is 405290093057. The next prime is 405290093161. The reversal of 405290093093 is 390390092504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361558082209 + 43732010884 = 601297^2 + 209122^2 .

It is a cyclic number.

It is not a de Polignac number, because 405290093093 - 212 = 405290088997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405290093003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202645046546 + 202645046547.

It is an arithmetic number, because the mean of its divisors is an integer number (202645046547).

Almost surely, 2405290093093 is an apocalyptic number.

It is an amenable number.

405290093093 is a deficient number, since it is larger than the sum of its proper divisors (1).

405290093093 is an equidigital number, since it uses as much as digits as its factorization.

405290093093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 44.

The spelling of 405290093093 in words is "four hundred five billion, two hundred ninety million, ninety-three thousand, ninety-three".