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2068071864 = 233233746507
BaseRepresentation
bin111101101000100…
…0100010110111000
312100010102221021020
41323101010112320
513213411244424
6541113542440
7102151215015
oct17321042670
95303387236
102068071864
11971411001
12498714a20
1326c5bc381
1415893870c
15c185c079
hex7b4445b8

2068071864 has 32 divisors (see below), whose sum is σ = 5394971520. Its totient is φ = 659385056.

The previous prime is 2068071847. The next prime is 2068071893. The reversal of 2068071864 is 4681708602.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872702 + ... + 1873805.

It is an arithmetic number, because the mean of its divisors is an integer number (168592860).

Almost surely, 22068071864 is an apocalyptic number.

2068071864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2068071864 is an abundant number, since it is smaller than the sum of its proper divisors (3326899656).

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

2068071864 is a wasteful number, since it uses less digits than its factorization.

2068071864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746539 (or 3746535 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 2068071864 is about 45476.0581405205. The cubic root of 2068071864 is about 1274.0560721295.

The spelling of 2068071864 in words is "two billion, sixty-eight million, seventy-one thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 3746507 7493014 11239521 14986028 22479042 29972056 44958084 86169661 89916168 172339322 258508983 344678644 517017966 689357288 1034035932 2068071864