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6867864748 = 2217672149151
BaseRepresentation
bin1100110010101101…
…10100110010101100
3122201122002200022001
412121112310302230
5103031133132443
63053254102044
7332122613203
oct63126646254
918648080261
106867864748
112a04804488
1213b804a924
13855b205c4
144921a223a
152a2e17d4d
hex1995b4cac

6867864748 has 72 divisors (see below), whose sum is σ = 13091349600. Its totient is φ = 3141388800.

The previous prime is 6867864743. The next prime is 6867864749. The reversal of 6867864748 is 8474687686.

It is a super-2 number, since 2×68678647482 = 94335132393642207008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6867864748.

It is not an unprimeable number, because it can be changed into a prime (6867864743) by changing a digit.

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, 45482473 + ... + 45482623.

It is an arithmetic number, because the mean of its divisors is an integer number (181824300).

Almost surely, 26867864748 is an apocalyptic number.

6867864748 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6867864748 is a deficient number, since it is larger than the sum of its proper divisors (6223484852).

6867864748 is a wasteful number, since it uses less digits than its factorization.

6867864748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 386 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 64.

The square root of 6867864748 is about 82872.5814006056. The cubic root of 6867864748 is about 1900.8181839086.

The spelling of 6867864748 in words is "six billion, eight hundred sixty-seven million, eight hundred sixty-four thousand, seven hundred forty-eight".

Divisors: 1 2 4 17 34 67 68 134 149 151 268 298 302 596 604 1139 2278 2533 2567 4489 4556 5066 5134 8978 9983 10117 10132 10268 17956 19966 20234 22499 39932 40468 44998 76313 89996 152626 169711 171989 305252 339422 343978 382483 668861 677839 678844 687956 764966 1337722 1355678 1507433 1529932 2675444 2711356 3014866 6029732 11370637 11523263 22741274 23046526 25626361 45482548 46093052 51252722 100998011 102505444 201996022 403992044 1716966187 3433932374 6867864748