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424886686668 = 223237446371473
BaseRepresentation
bin1100010111011010011…
…10000101001111001100
31111121201002021001010200
412023231032011033030
523430131442433133
6523105032133500
742461042150553
oct6135516051714
91447632231120
10424886686668
11154214504444
126a419837290
13310b354c342
14167c9490d9a
15b0bb686913
hex62ed3853cc

424886686668 has 72 divisors (see below), whose sum is σ = 1103309258688. Its totient is φ = 137768283648.

The previous prime is 424886686663. The next prime is 424886686747. The reversal of 424886686668 is 866686688424.

It is a super-2 number, since 2×4248866866682 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424886686596 and 424886686605.

It is not an unprimeable number, because it can be changed into a prime (424886686663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5908980 + ... + 5980452.

It is an arithmetic number, because the mean of its divisors is an integer number (15323739704).

Almost surely, 2424886686668 is an apocalyptic number.

It is an amenable number.

424886686668 is an abundant number, since it is smaller than the sum of its proper divisors (678422572020).

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

424886686668 is a wasteful number, since it uses less digits than its factorization.

424886686668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75983 (or 75978 counting only the distinct ones).

The product of its digits is 1019215872, while the sum is 72.

The spelling of 424886686668 in words is "four hundred twenty-four billion, eight hundred eighty-six million, six hundred eighty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 4463 8926 13389 17852 26778 40167 53556 71473 80334 142946 160668 165131 214419 285892 330262 428838 495393 643257 660524 857676 990786 1286514 1486179 1981572 2573028 2644501 2972358 5289002 5944716 7933503 10578004 15867006 23800509 31734012 47601018 95202036 318983999 637967998 956951997 1275935996 1913903994 2870855991 3827807988 5741711982 11483423964 11802407963 23604815926 35407223889 47209631852 70814447778 106221671667 141628895556 212443343334 424886686668