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4371434420665 = 513555011211741
BaseRepresentation
bin111111100111001101110…
…010111011100110111001
3120110220102210002021210011
4333213031302323212321
51033110144202430130
613144113110421521
7630553135330534
oct77471562734671
916426383067704
104371434420665
111435a07849464
125a72686618a1
132592bc2b25c0
141118157a9a1b
1578a9eb6d52a
hex3f9cdcbb9b9

4371434420665 has 16 divisors (see below), whose sum is σ = 5649344776656. Its totient is φ = 3228075360000.

The previous prime is 4371434420657. The next prime is 4371434420677. The reversal of 4371434420665 is 5660244341734.

It can be written as a sum of positive squares in 8 ways, for example, as 1545197481 + 4369889223184 = 39309^2 + 2090428^2 .

It is not a de Polignac number, because 4371434420665 - 23 = 4371434420657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3001695 + ... + 4213435.

It is an arithmetic number, because the mean of its divisors is an integer number (353084048541).

Almost surely, 24371434420665 is an apocalyptic number.

It is an amenable number.

4371434420665 is a deficient number, since it is larger than the sum of its proper divisors (1277910355991).

4371434420665 is a wasteful number, since it uses less digits than its factorization.

4371434420665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267260.

The product of its (nonzero) digits is 5806080, while the sum is 49.

The spelling of 4371434420665 in words is "four trillion, three hundred seventy-one billion, four hundred thirty-four million, four hundred twenty thousand, six hundred sixty-five".

Divisors: 1 5 13 65 55501 277505 721513 1211741 3607565 6058705 15752633 78763165 67252837241 336264186205 874286884133 4371434420665