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1349432227720 = 23533735805693
BaseRepresentation
bin10011101000110000011…
…011011011011110001000
311210000010020210210201001
4103220300123123132020
5134102114122241340
62511530503504344
7166331121452353
oct23506033333610
94700106723631
101349432227720
11480322349555
121996421580b4
139a335343525
144945472129a
152517da1629a
hex13a306db788

1349432227720 has 16 divisors (see below), whose sum is σ = 3036222512460. Its totient is φ = 539772891072.

The previous prime is 1349432227669. The next prime is 1349432227721. The reversal of 1349432227720 is 277222349431.

It can be written as a sum of positive squares in 2 ways, for example, as 1172590111044 + 176842116676 = 1082862^2 + 420526^2 .

It is not an unprimeable number, because it can be changed into a prime (1349432227721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16867902807 + ... + 16867902886.

Almost surely, 21349432227720 is an apocalyptic number.

1349432227720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1349432227720 is an abundant number, since it is smaller than the sum of its proper divisors (1686790284740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1349432227720 is a wasteful number, since it uses less digits than its factorization.

1349432227720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33735805704 (or 33735805700 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 1349432227720 in words is "one trillion, three hundred forty-nine billion, four hundred thirty-two million, two hundred twenty-seven thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 33735805693 67471611386 134943222772 168679028465 269886445544 337358056930 674716113860 1349432227720