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6948320040 = 2332582123509
BaseRepresentation
bin1100111100010011…
…01111001100101000
3122221020111020012200
412132021233030220
5103212232220130
63105250340200
7334120513554
oct63611571450
918836436180
106948320040
112a46166762
12141ab8a660
138696acc9c
1449cb46864
152aa00b760
hex19e26f328

6948320040 has 96 divisors (see below), whose sum is σ = 22610507400. Its totient is φ = 1850549760.

The previous prime is 6948319999. The next prime is 6948320063. The reversal of 6948320040 is 400238496.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6509585124 + 438734916 = 80682^2 + 20946^2 .

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 = 6948319977 and 6948320004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283806 + ... + 307314.

Almost surely, 26948320040 is an apocalyptic number.

6948320040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6948320040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11305253700).

6948320040 is an abundant number, since it is smaller than the sum of its proper divisors (15662187360).

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

6948320040 is a wasteful number, since it uses less digits than its factorization.

6948320040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24347 (or 24340 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 6948320040 is about 83356.5836631996. The cubic root of 6948320040 is about 1908.2119208726.

The spelling of 6948320040 in words is "six billion, nine hundred forty-eight million, three hundred twenty thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 821 1642 2463 3284 4105 4926 6568 7389 8210 9852 12315 14778 16420 19704 23509 24630 29556 32840 36945 47018 49260 59112 70527 73890 94036 98520 117545 141054 147780 188072 211581 235090 282108 295560 352635 423162 470180 564216 705270 846324 940360 1057905 1410540 1692648 2115810 2821080 4231620 8463240 19300889 38601778 57902667 77203556 96504445 115805334 154407112 173708001 193008890 231610668 289513335 347416002 386017780 463221336 579026670 694832004 772035560 868540005 1158053340 1389664008 1737080010 2316106680 3474160020 6948320040