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1371286089 = 321058914389
BaseRepresentation
bin101000110111100…
…0010101001001001
310112120022112212200
41101233002221021
510302022123324
6344023230413
745660511425
oct12157025111
93476275780
101371286089
11644067598
123232a8409
1318b136cb4
14d0199b85
15805c1ec9
hex51bc2a49

1371286089 has 12 divisors (see below), whose sum is σ = 1981071300. Its totient is φ = 914040864.

The previous prime is 1371286087. The next prime is 1371286097. The reversal of 1371286089 is 9806821731.

1371286089 is a `hidden beast` number, since 1 + 37 + 1 + 2 + 8 + 608 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 278322489 + 1092963600 = 16683^2 + 33060^2 .

It is not a de Polignac number, because 1371286089 - 21 = 1371286087 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1371286087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88107 + ... + 102495.

It is an arithmetic number, because the mean of its divisors is an integer number (165089275).

Almost surely, 21371286089 is an apocalyptic number.

It is an amenable number.

1371286089 is a deficient number, since it is larger than the sum of its proper divisors (609785211).

1371286089 is a wasteful number, since it uses less digits than its factorization.

1371286089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24984 (or 24981 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1371286089 is about 37030.8802082802. The cubic root of 1371286089 is about 1110.9879711241.

The spelling of 1371286089 in words is "one billion, three hundred seventy-one million, two hundred eighty-six thousand, eighty-nine".

Divisors: 1 3 9 10589 14389 31767 43167 95301 129501 152365121 457095363 1371286089