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8468626840 = 2351712453863
BaseRepresentation
bin1111110001100010…
…01111110110011000
3210212012012211001221
413320301033312120
5114320432024330
63520200021424
7416601066112
oct77061176630
923765184057
108468626840
113656356763
121784161874
13a4c6621cb
145a4a143b2
15348717b7a
hex1f8c4fd98

8468626840 has 32 divisors (see below), whose sum is σ = 20175259680. Its totient is φ = 3188188672.

The previous prime is 8468626813. The next prime is 8468626849. The reversal of 8468626840 is 486268648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8468626849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6226252 + ... + 6227611.

It is an arithmetic number, because the mean of its divisors is an integer number (630476865).

Almost surely, 28468626840 is an apocalyptic number.

It is an amenable number.

8468626840 is an abundant number, since it is smaller than the sum of its proper divisors (11706632840).

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

8468626840 is a wasteful number, since it uses less digits than its factorization.

8468626840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12453891 (or 12453887 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 52.

The square root of 8468626840 is about 92025.1424340109. The cubic root of 8468626840 is about 2038.3135844813.

The spelling of 8468626840 in words is "eight billion, four hundred sixty-eight million, six hundred twenty-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 12453863 24907726 49815452 62269315 99630904 124538630 211715671 249077260 423431342 498154520 846862684 1058578355 1693725368 2117156710 4234313420 8468626840