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83455688045705 = 576921704990389
BaseRepresentation
bin10010111110011100001010…
…101000111111010010001001
3101221111021201101120111112012
4102332130022220333102021
541414314222114430310
6453255002552225305
723402321514631013
oct2276341250772211
9357437641514465
1083455688045705
11246563a4242188
12943a33109b235
133774ab7313b91
1416873c39871b3
1599ad19982c05
hex4be70aa3f489

83455688045705 has 8 divisors (see below), whose sum is σ = 100277055601800. Its totient is φ = 66677730471936.

The previous prime is 83455688045671. The next prime is 83455688045707. The reversal of 83455688045705 is 50754088655438.

It can be written as a sum of positive squares in 4 ways, for example, as 28378079643664 + 55077608402041 = 5327108^2 + 7421429^2 .

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 83455688045705 - 216 = 83455687980169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83455688045707) 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, 10852491350 + ... + 10852499039.

It is an arithmetic number, because the mean of its divisors is an integer number (12534631950225).

Almost surely, 283455688045705 is an apocalyptic number.

It is an amenable number.

83455688045705 is a deficient number, since it is larger than the sum of its proper divisors (16821367556095).

83455688045705 is a wasteful number, since it uses less digits than its factorization.

83455688045705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21704991163.

The product of its (nonzero) digits is 645120000, while the sum is 68.

The spelling of 83455688045705 in words is "eighty-three trillion, four hundred fifty-five billion, six hundred eighty-eight million, forty-five thousand, seven hundred five".

Divisors: 1 5 769 3845 21704990389 108524951945 16691137609141 83455688045705