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3781208588089 = 857222692
BaseRepresentation
bin110111000001100001100…
…110000011111100111001
3111101110221221001101100211
4313001201212003330321
5443422403344304324
612013021354431121
7540116605456462
oct67014146037471
914343857041324
103781208588089
111228668743589
125109a71324a1
1321574961211a
14d102369dd69
1568557e50294
hex37061983f39

3781208588089 has 9 divisors (see below), whose sum is σ = 3787295028717. Its totient is φ = 3775131922464.

The previous prime is 3781208588051. The next prime is 3781208588141. The reversal of 3781208588089 is 9808858021873.

The square root of 3781208588089 is 1944533.

It is a perfect power (a square), and thus also a powerful number.

3781208588089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16413453225 + 3764795134864 = 128115^2 + 1940308^2 .

It is not a de Polignac number, because 3781208588089 - 223 = 3781200199481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3781208588389) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1666463647 + ... + 1666465915.

Almost surely, 23781208588089 is an apocalyptic number.

3781208588089 is the 1944533-rd square number.

3781208588089 is the 972267-th centered octagonal number.

It is an amenable number.

3781208588089 is a deficient number, since it is larger than the sum of its proper divisors (6086440628).

3781208588089 is an frugal number, since it uses more digits than its factorization.

3781208588089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6252 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 67.

The spelling of 3781208588089 in words is "three trillion, seven hundred eighty-one billion, two hundred eight million, five hundred eighty-eight thousand, eighty-nine".

Divisors: 1 857 2269 734449 1944533 5148361 1666464781 4412145377 3781208588089