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2468645040 = 243526713851
BaseRepresentation
bin1001001100100100…
…1000100010110000
320101001012011100210
42103021020202300
520023433120130
61044543344120
7115114064601
oct22311104260
96331164323
102468645040
111057538614
1258a8b2040
133045a1814
14195c0bda8
15e6ad55b0
hex932488b0

2468645040 has 80 divisors (see below), whose sum is σ = 7657652736. Its totient is φ = 657888000.

The previous prime is 2468645017. The next prime is 2468645057. The reversal of 2468645040 is 405468642.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×24686450403 (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2468645040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639115 + ... + 642965.

Almost surely, 22468645040 is an apocalyptic number.

2468645040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2468645040 is an abundant number, since it is smaller than the sum of its proper divisors (5189007696).

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

2468645040 is a wasteful number, since it uses less digits than its factorization.

2468645040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6538 (or 6532 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 2468645040 is about 49685.4610525051. The cubic root of 2468645040 is about 1351.5108900332.

The spelling of 2468645040 in words is "two billion, four hundred sixty-eight million, six hundred forty-five thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 2671 3851 5342 7702 8013 10684 11553 13355 15404 16026 19255 21368 23106 26710 30808 32052 38510 40065 42736 46212 53420 57765 61616 64104 77020 80130 92424 106840 115530 128208 154040 160260 184848 213680 231060 308080 320520 462120 641040 924240 10286021 20572042 30858063 41144084 51430105 61716126 82288168 102860210 123432252 154290315 164576336 205720420 246864504 308580630 411440840 493729008 617161260 822881680 1234322520 2468645040