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2071971912 = 233591463257
BaseRepresentation
bin111101101111111…
…1100100001001000
312100101210002010110
41323133330201020
513220411100122
6541333314320
7102226320303
oct17337744110
95311702113
102071971912
1197363518a
12499a959a0
132703565aa
14159271b3a
15c1d7c90c
hex7b7fc848

2071971912 has 32 divisors (see below), whose sum is σ = 5267728800. Its totient is φ = 678950784.

The previous prime is 2071971857. The next prime is 2071971919. The reversal of 2071971912 is 2191791702.

It is not an unprimeable number, because it can be changed into a prime (2071971919) 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, 730213 + ... + 733044.

It is an arithmetic number, because the mean of its divisors is an integer number (164616525).

Almost surely, 22071971912 is an apocalyptic number.

It is an amenable number.

2071971912 is an abundant number, since it is smaller than the sum of its proper divisors (3195756888).

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

2071971912 is a wasteful number, since it uses less digits than its factorization.

2071971912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463325 (or 1463321 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 39.

The square root of 2071971912 is about 45518.9181769514. The cubic root of 2071971912 is about 1274.8564568889.

The spelling of 2071971912 in words is "two billion, seventy-one million, nine hundred seventy-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 59 118 177 236 354 472 708 1416 1463257 2926514 4389771 5853028 8779542 11706056 17559084 35118168 86332163 172664326 258996489 345328652 517992978 690657304 1035985956 2071971912