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7146841645 = 53229744257
BaseRepresentation
bin1101010011111110…
…00010011000101101
3200110002001011122201
412221333002120231
5104114042413040
63141101341501
7342051103006
oct65177023055
920402034581
107146841645
1130382299a9
121475567891
1389b86a3a8
144bb2621ad
152bc672a9a
hex1a9fc262d

7146841645 has 8 divisors (see below), whose sum is σ = 8576669304. Its totient is φ = 5717167104.

The previous prime is 7146841619. The next prime is 7146841717. The reversal of 7146841645 is 5461486417.

It can be written as a sum of positive squares in 4 ways, for example, as 4410819396 + 2736022249 = 66414^2 + 52307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7146841645 - 29 = 7146841133 is a prime.

It is a super-3 number, since 3×71468416453 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7146841595 and 7146841604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139357 + ... + 183613.

It is an arithmetic number, because the mean of its divisors is an integer number (1072083663).

Almost surely, 27146841645 is an apocalyptic number.

It is an amenable number.

7146841645 is a deficient number, since it is larger than the sum of its proper divisors (1429827659).

7146841645 is a wasteful number, since it uses less digits than its factorization.

7146841645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76559.

The product of its digits is 645120, while the sum is 46.

The square root of 7146841645 is about 84538.9948189591. The cubic root of 7146841645 is about 1926.2148194112.

The spelling of 7146841645 in words is "seven billion, one hundred forty-six million, eight hundred forty-one thousand, six hundred forty-five".

Divisors: 1 5 32297 44257 161485 221285 1429368329 7146841645