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68007341340 = 22335125939521
BaseRepresentation
bin111111010101100011…
…011010110100011100
320111112112210220002000
4333111203122310130
52103234334410330
651124145202300
74625166602121
oct772543326434
9214475726060
1068007341340
112692940a134
121121b630390
13654a6709a3
14341210c748
151b806ed560
hexfd58dad1c

68007341340 has 48 divisors (see below), whose sum is σ = 211578396960. Its totient is φ = 18135290880.

The previous prime is 68007341239. The next prime is 68007341387. The reversal of 68007341340 is 4314370086.

It is a super-2 number, since 2×680073413402 (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 68007341295 and 68007341304.

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, 62969221 + ... + 62970300.

It is an arithmetic number, because the mean of its divisors is an integer number (4407883270).

Almost surely, 268007341340 is an apocalyptic number.

68007341340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68007341340 is an abundant number, since it is smaller than the sum of its proper divisors (143571055620).

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

68007341340 is a wasteful number, since it uses less digits than its factorization.

68007341340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125939539 (or 125939531 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 68007341340 in words is "sixty-eight billion, seven million, three hundred forty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 125939521 251879042 377818563 503758084 629697605 755637126 1133455689 1259395210 1511274252 1889092815 2266911378 2518790420 3400367067 3778185630 4533822756 5667278445 6800734134 7556371260 11334556890 13601468268 17001835335 22669113780 34003670670 68007341340