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3480705152681 = 20269171725549
BaseRepresentation
bin110010101001101010001…
…100011011011010101001
3110022202022022211012001212
4302221222030123122221
5424011441004341211
611223002555122505
7506321055431321
oct62515214333251
913282268735055
103480705152681
111122182353869
12482701143435
131c32c93c7853
14c0677750281
156081b49a38b
hex32a6a31b6a9

3480705152681 has 4 divisors (see below), whose sum is σ = 3480876898500. Its totient is φ = 3480533406864.

The previous prime is 3480705152669. The next prime is 3480705152767. The reversal of 3480705152681 is 1862515070843.

3480705152681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1376595344656 + 2104109808025 = 1173284^2 + 1450555^2 .

It is a cyclic number.

It is not a de Polignac number, because 3480705152681 - 210 = 3480705151657 is a prime.

It is a super-3 number, since 3×34807051526813 (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3480705152611) 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, 85842506 + ... + 85883043.

It is an arithmetic number, because the mean of its divisors is an integer number (870219224625).

Almost surely, 23480705152681 is an apocalyptic number.

It is an amenable number.

3480705152681 is a deficient number, since it is larger than the sum of its proper divisors (171745819).

3480705152681 is a wasteful number, since it uses less digits than its factorization.

3480705152681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171745818.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 3480705152681 in words is "three trillion, four hundred eighty billion, seven hundred five million, one hundred fifty-two thousand, six hundred eighty-one".

Divisors: 1 20269 171725549 3480705152681