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67974228952 = 2371771401501
BaseRepresentation
bin111111010011100101…
…000110101111011000
320111110020111121102021
4333103211012233120
52103202400311302
651121003344224
74624315261420
oct772345065730
9214406447367
1067974228952
1126911753323
1211210522074
136543849166
14340b96d480
151b7c85c437
hexfd3946bd8

67974228952 has 32 divisors (see below), whose sum is σ = 154227244320. Its totient is φ = 27418176000.

The previous prime is 67974228929. The next prime is 67974228961. The reversal of 67974228952 is 25982247976.

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, 35699799 + ... + 35701702.

It is an arithmetic number, because the mean of its divisors is an integer number (4819601385).

Almost surely, 267974228952 is an apocalyptic number.

It is an amenable number.

67974228952 is an abundant number, since it is smaller than the sum of its proper divisors (86253015368).

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

67974228952 is a wasteful number, since it uses less digits than its factorization.

67974228952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71401531 (or 71401527 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 61.

The spelling of 67974228952 in words is "sixty-seven billion, nine hundred seventy-four million, two hundred twenty-eight thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 71401501 142803002 285606004 499810507 571212008 999621014 1213825517 1999242028 2427651034 3998484056 4855302068 8496778619 9710604136 16993557238 33987114476 67974228952