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68124174744 = 23331372474723
BaseRepresentation
bin111111011100100001…
…000110100110011000
320111211200122122101010
4333130201012212120
52104004242042434
651143521253520
74631115634233
oct773441064630
9214750578333
1068124174744
112698935886a
12112527942a0
136568929492
14342384241a
151b8aaca9e9
hexfdc846998

68124174744 has 64 divisors (see below), whose sum is σ = 180555863040. Its totient is φ = 21381598080.

The previous prime is 68124174731. The next prime is 68124174751. The reversal of 68124174744 is 44747142186.

68124174744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68124174693 and 68124174702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209834 + ... + 1264889.

It is an arithmetic number, because the mean of its divisors is an integer number (2821185360).

Almost surely, 268124174744 is an apocalyptic number.

It is an amenable number.

68124174744 is an abundant number, since it is smaller than the sum of its proper divisors (112431688296).

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

68124174744 is a wasteful number, since it uses less digits than its factorization.

68124174744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474800 (or 2474796 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 48.

The spelling of 68124174744 in words is "sixty-eight billion, one hundred twenty-four million, one hundred seventy-four thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 31 37 62 74 93 111 124 148 186 222 248 296 372 444 744 888 1147 2294 3441 4588 6882 9176 13764 27528 2474723 4949446 7424169 9898892 14848338 19797784 29696676 59393352 76716413 91564751 153432826 183129502 230149239 274694253 306865652 366259004 460298478 549388506 613731304 732518008 920596956 1098777012 1841193912 2197554024 2838507281 5677014562 8515521843 11354029124 17031043686 22708058248 34062087372 68124174744