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5109040049 = 9915155439
BaseRepresentation
bin1001100001000010…
…11100001110110001
3111012001120010101112
410300201130032301
540430403240144
62202544243105
7240415060331
oct46041341661
914161503345
105109040049
112191a13453
12ba7010495
13635619029
143667670c1
151ed7e499e
hex13085c3b1

5109040049 has 4 divisors (see below), whose sum is σ = 5114196480. Its totient is φ = 5103883620.

The previous prime is 5109040019. The next prime is 5109040061. The reversal of 5109040049 is 9400409015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5109040049 is a prime.

It is a super-2 number, since 2×51090400492 = 52204580444571844802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5109039997 and 5109040024.

It is not an unprimeable number, because it can be changed into a prime (5109040009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2576729 + ... + 2578710.

It is an arithmetic number, because the mean of its divisors is an integer number (1278549120).

Almost surely, 25109040049 is an apocalyptic number.

It is an amenable number.

5109040049 is a deficient number, since it is larger than the sum of its proper divisors (5156431).

5109040049 is an equidigital number, since it uses as much as digits as its factorization.

5109040049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156430.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5109040049 is about 71477.5492654862. The cubic root of 5109040049 is about 1722.3170558210.

The spelling of 5109040049 in words is "five billion, one hundred nine million, forty thousand, forty-nine".

Divisors: 1 991 5155439 5109040049