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5015155161 = 310301162287
BaseRepresentation
bin1001010101110110…
…10011000111011001
3110221111220021112110
410222323103013121
540232334431121
62145352102533
7235165054422
oct45273230731
913844807473
105015155161
112143a19335
12b7b694a49
1361c036a43
143580c8649
151e544bd76
hex12aed31d9

5015155161 has 8 divisors (see below), whose sum is σ = 6687563904. Its totient is φ = 3343091600.

The previous prime is 5015155151. The next prime is 5015155213. The reversal of 5015155161 is 1615515105.

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 5015155161 - 26 = 5015155097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5015155141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50241 + ... + 112046.

It is an arithmetic number, because the mean of its divisors is an integer number (835945488).

Almost surely, 25015155161 is an apocalyptic number.

It is an amenable number.

5015155161 is a deficient number, since it is larger than the sum of its proper divisors (1672408743).

5015155161 is a wasteful number, since it uses less digits than its factorization.

5015155161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172591.

The product of its (nonzero) digits is 3750, while the sum is 30.

The square root of 5015155161 is about 70817.7602088629. The cubic root of 5015155161 is about 1711.7018681268.

The spelling of 5015155161 in words is "five billion, fifteen million, one hundred fifty-five thousand, one hundred sixty-one".

Divisors: 1 3 10301 30903 162287 486861 1671718387 5015155161