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2136789912 = 233347256579
BaseRepresentation
bin111111101011100…
…1101001110011000
312111220202011201010
41333113031032120
513334004234122
6552010453520
7103644262125
oct17727151630
95456664633
102136789912
119a7186984
124b77342a0
132808cc53a
14163b0574c
15c78d2e0c
hex7f5cd398

2136789912 has 32 divisors (see below), whose sum is σ = 5357390400. Its totient is φ = 710207904.

The previous prime is 2136789901. The next prime is 2136789947. The reversal of 2136789912 is 2199876312.

It is a super-2 number, since 2×21367899122 = 9131742256049935488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119962 + ... + 136617.

It is an arithmetic number, because the mean of its divisors is an integer number (167418450).

Almost surely, 22136789912 is an apocalyptic number.

It is an amenable number.

2136789912 is an abundant number, since it is smaller than the sum of its proper divisors (3220600488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2136789912 is a wasteful number, since it uses less digits than its factorization.

2136789912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256935 (or 256931 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 2136789912 is about 46225.4249520759. The cubic root of 2136789912 is about 1288.0140730559.

The spelling of 2136789912 in words is "two billion, one hundred thirty-six million, seven hundred eighty-nine thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 347 694 1041 1388 2082 2776 4164 8328 256579 513158 769737 1026316 1539474 2052632 3078948 6157896 89032913 178065826 267098739 356131652 534197478 712263304 1068394956 2136789912