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7439764145 = 511177956967
BaseRepresentation
bin1101110110111000…
…11100101010110001
3201012111020011210012
412323130130222301
5110214034423040
63230123544305
7352235644322
oct67334345261
921174204705
107439764145
113178609a10
12153768b095
1391745a908
14508112449
152d8234865
hex1bb71cab1

7439764145 has 16 divisors (see below), whose sum is σ = 10312230528. Its totient is φ = 5092458240.

The previous prime is 7439764109. The next prime is 7439764151. The reversal of 7439764145 is 5414679347.

It is not a de Polignac number, because 7439764145 - 230 = 6366022321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7439764093 and 7439764102.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3977549 + ... + 3979418.

It is an arithmetic number, because the mean of its divisors is an integer number (644514408).

Almost surely, 27439764145 is an apocalyptic number.

It is an amenable number.

7439764145 is a deficient number, since it is larger than the sum of its proper divisors (2872466383).

7439764145 is a wasteful number, since it uses less digits than its factorization.

7439764145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957000.

The product of its digits is 2540160, while the sum is 50.

The square root of 7439764145 is about 86254.0674113401. The cubic root of 7439764145 is about 1952.1793862599.

The spelling of 7439764145 in words is "seven billion, four hundred thirty-nine million, seven hundred sixty-four thousand, one hundred forty-five".

Divisors: 1 5 11 17 55 85 187 935 7956967 39784835 87526637 135268439 437633185 676342195 1487952829 7439764145