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2078223912 = 233331130937
BaseRepresentation
bin111101111011111…
…0010111000101000
312100211112201021000
41323313302320220
513224011131122
6542115315000
7102333416562
oct17367627050
95324481230
102078223912
11977115426
1249bbaba60
132717351bb
1415a01c332
15c26b50ac
hex7bdf2e28

2078223912 has 64 divisors (see below), whose sum is σ = 5791593600. Its totient is φ = 690491520.

The previous prime is 2078223887. The next prime is 2078223923. The reversal of 2078223912 is 2193228702.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 51708 + ... + 82644.

It is an arithmetic number, because the mean of its divisors is an integer number (90493650).

Almost surely, 22078223912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2078223912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2895796800).

2078223912 is an abundant number, since it is smaller than the sum of its proper divisors (3713369688).

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

2078223912 is a wasteful number, since it uses less digits than its factorization.

2078223912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31263 (or 31253 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2078223912 is about 45587.5411927426. The cubic root of 2078223912 is about 1276.1374265234.

The spelling of 2078223912 in words is "two billion, seventy-eight million, two hundred twenty-three thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 311 622 933 1244 1866 2488 2799 3732 5598 7464 8397 11196 16794 22392 30937 33588 61874 67176 92811 123748 185622 247496 278433 371244 556866 742488 835299 1113732 1670598 2227464 3341196 6682392 9621407 19242814 28864221 38485628 57728442 76971256 86592663 115456884 173185326 230913768 259777989 346370652 519555978 692741304 1039111956 2078223912