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5012215691 = 74011785613
BaseRepresentation
bin1001010101100000…
…00101011110001011
3110221022100221100012
410222300011132023
540231111400231
62145205102135
7235131062510
oct45260053613
913838327305
105012215691
1121422a091a
12b7a6b794b
1361b547b02
14357961307
151e506ae2b
hex12ac0578b

5012215691 has 8 divisors (see below), whose sum is σ = 5742534624. Its totient is φ = 4285468800.

The previous prime is 5012215669. The next prime is 5012215721. The reversal of 5012215691 is 1965122105.

5012215691 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5012215691 - 26 = 5012215627 is a prime.

It is a super-2 number, since 2×50122156912 = 50244612266213214962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5012215651) 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, 890000 + ... + 895613.

It is an arithmetic number, because the mean of its divisors is an integer number (717816828).

Almost surely, 25012215691 is an apocalyptic number.

5012215691 is a deficient number, since it is larger than the sum of its proper divisors (730318933).

5012215691 is a wasteful number, since it uses less digits than its factorization.

5012215691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786021.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 5012215691 is about 70797.0034040990. The cubic root of 5012215691 is about 1711.3673833193.

Adding to 5012215691 its reverse (1965122105), we get a palindrome (6977337796).

The spelling of 5012215691 in words is "five billion, twelve million, two hundred fifteen thousand, six hundred ninety-one".

Divisors: 1 7 401 2807 1785613 12499291 716030813 5012215691