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6854860140 = 2235329934631
BaseRepresentation
bin1100110001001010…
…01101110101101100
3122200201121222022220
412120211031311230
5103014321011030
63052111235340
7331604230662
oct63045156554
918621558286
106854860140
1129a8431977
1213b3818b50
1385321927b
14490578c32
152a1be9a10
hex19894dd6c

6854860140 has 48 divisors (see below), whose sum is σ = 19199980800. Its totient is φ = 1827355840.

The previous prime is 6854860087. The next prime is 6854860171. The reversal of 6854860140 is 410684586.

It is a junction number, because it is equal to n+sod(n) for n = 6854860092 and 6854860101.

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 15 ways as a sum of consecutive naturals, for example, 180625 + ... + 215255.

It is an arithmetic number, because the mean of its divisors is an integer number (399999600).

Almost surely, 26854860140 is an apocalyptic number.

6854860140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6854860140 is an abundant number, since it is smaller than the sum of its proper divisors (12345120660).

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

6854860140 is a wasteful number, since it uses less digits than its factorization.

6854860140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37942 (or 37940 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 6854860140 is about 82794.0827595789. The cubic root of 6854860140 is about 1899.6176645270.

The spelling of 6854860140 in words is "six billion, eight hundred fifty-four million, eight hundred sixty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3299 6598 9897 13196 16495 19794 32990 34631 39588 49485 65980 69262 98970 103893 138524 173155 197940 207786 346310 415572 519465 692620 1038930 2077860 114247669 228495338 342743007 456990676 571238345 685486014 1142476690 1370972028 1713715035 2284953380 3427430070 6854860140