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5013013881 = 34873431221
BaseRepresentation
bin1001010101100110…
…01000010101111001
3110221100212111020210
410222303020111321
540231312421011
62145234141333
7235140625551
oct45263102571
913840774223
105013013881
112142796587
12b7aa21849
1361b767205
14357acc161
151e51776a6
hex12acc8579

5013013881 has 8 divisors (see below), whose sum is σ = 6697745344. Its totient is φ = 3335145840.

The previous prime is 5013013777. The next prime is 5013013891. The reversal of 5013013881 is 1883103105.

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

It is not a de Polignac number, because 5013013881 - 214 = 5012997497 is a prime.

It is a super-2 number, since 2×50130138812 = 50260616342197364322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5013013891) 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, 1714150 + ... + 1717071.

It is an arithmetic number, because the mean of its divisors is an integer number (837218168).

Almost surely, 25013013881 is an apocalyptic number.

It is an amenable number.

5013013881 is a deficient number, since it is larger than the sum of its proper divisors (1684731463).

5013013881 is a wasteful number, since it uses less digits than its factorization.

5013013881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431711.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 5013013881 is about 70802.6403533089. The cubic root of 5013013881 is about 1711.4582229739.

Adding to 5013013881 its reverse (1883103105), we get a palindrome (6896116986).

The spelling of 5013013881 in words is "five billion, thirteen million, thirteen thousand, eight hundred eighty-one".

Divisors: 1 3 487 1461 3431221 10293663 1671004627 5013013881