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405501422201 = 9734297121889
BaseRepresentation
bin1011110011010011100…
…01001010101001111001
31102202200002110120111122
411321221301022221321
523120431331002301
6510141302435025
741203463134541
oct5715161125171
91382602416448
10405501422201
11146a76a88317
1266709732a75
132c31432c455
14158aaaaa321
15a83489981b
hex5e69c4aa79

405501422201 has 8 divisors (see below), whose sum is σ = 409697155560. Its totient is φ = 401306001408.

The previous prime is 405501422197. The next prime is 405501422203. The reversal of 405501422201 is 102224105504.

It can be written as a sum of positive squares in 4 ways, for example, as 37324308025 + 368177114176 = 193195^2 + 606776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 405501422201 - 22 = 405501422197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405501422203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265865 + ... + 3387753.

It is an arithmetic number, because the mean of its divisors is an integer number (51212144445).

Almost surely, 2405501422201 is an apocalyptic number.

It is an amenable number.

405501422201 is a deficient number, since it is larger than the sum of its proper divisors (4195733359).

405501422201 is a wasteful number, since it uses less digits than its factorization.

405501422201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156283.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 405501422201 its reverse (102224105504), we get a palindrome (507725527705).

The spelling of 405501422201 in words is "four hundred five billion, five hundred one million, four hundred twenty-two thousand, two hundred one".

Divisors: 1 97 34297 121889 3326809 11823233 4180427033 405501422201