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8389214139 = 341463147311
BaseRepresentation
bin1111101000000100…
…10011111110111011
3210122122210020022210
413310002103332323
5114140114323024
63504241550203
7414615100155
oct76402237673
923578706283
108389214139
113615546829
121761645363
13a39079247
14598261ad5
1534177d129
hex1f4093fbb

8389214139 has 16 divisors (see below), whose sum is σ = 11483265024. Its totient is φ = 5444577600.

The previous prime is 8389214131. The next prime is 8389214149. The reversal of 8389214139 is 9314129838.

It is not a de Polignac number, because 8389214139 - 23 = 8389214131 is a prime.

It is a super-2 number, since 2×83892141392 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8389214131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16707 + ... + 130604.

It is an arithmetic number, because the mean of its divisors is an integer number (717704064).

Almost surely, 28389214139 is an apocalyptic number.

8389214139 is a deficient number, since it is larger than the sum of its proper divisors (3094050885).

8389214139 is a wasteful number, since it uses less digits than its factorization.

8389214139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147818.

The product of its digits is 373248, while the sum is 48.

The square root of 8389214139 is about 91592.6533025439. The cubic root of 8389214139 is about 2031.9222846354.

The spelling of 8389214139 in words is "eight billion, three hundred eighty-nine million, two hundred fourteen thousand, one hundred thirty-nine".

Divisors: 1 3 41 123 463 1389 18983 56949 147311 441933 6039751 18119253 68204993 204614979 2796404713 8389214139