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5408155145 = 51377895117
BaseRepresentation
bin1010000100101100…
…11110011000001001
3111221220101202011102
411002112132120021
542033441431040
62252351311145
7251006363111
oct50226363011
914856352142
105408155145
112325843008
12106b21b4b5
13682597103
1439438a041
15219bcb515
hex14259e609

5408155145 has 8 divisors (see below), whose sum is σ = 6537157704. Its totient is φ = 4294943104.

The previous prime is 5408155099. The next prime is 5408155153. The reversal of 5408155145 is 5415518045.

It can be written as a sum of positive squares in 4 ways, for example, as 30426256 + 5377728889 = 5516^2 + 73333^2 .

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 5408155145 - 232 = 1113187849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5408155099 and 5408155108.

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, 3946874 + ... + 3948243.

It is an arithmetic number, because the mean of its divisors is an integer number (817144713).

Almost surely, 25408155145 is an apocalyptic number.

It is an amenable number.

5408155145 is a deficient number, since it is larger than the sum of its proper divisors (1129002559).

5408155145 is a wasteful number, since it uses less digits than its factorization.

5408155145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7895259.

The product of its (nonzero) digits is 80000, while the sum is 38.

The square root of 5408155145 is about 73540.1600827738. The cubic root of 5408155145 is about 1755.2933760623.

The spelling of 5408155145 in words is "five billion, four hundred eight million, one hundred fifty-five thousand, one hundred forty-five".

Divisors: 1 5 137 685 7895117 39475585 1081631029 5408155145