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49842179473 = 137363811529
BaseRepresentation
bin101110011010110100…
…110100110110010001
311202122120212001120011
4232122310310312101
51304034044220343
634521442514521
73413064351412
oct563264646621
9152576761504
1049842179473
111a15767a169
1297b0065a41
1349141632b8
1425ab7ab809
15146aabd29d
hexb9ad34d91

49842179473 has 4 divisors (see below), whose sum is σ = 50205991140. Its totient is φ = 49478367808.

The previous prime is 49842179467. The next prime is 49842179489. The reversal of 49842179473 is 37497124894.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10831189329 + 39010990144 = 104073^2 + 197512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49842179473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49842179423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181905628 + ... + 181905901.

It is an arithmetic number, because the mean of its divisors is an integer number (12551497785).

Almost surely, 249842179473 is an apocalyptic number.

It is an amenable number.

49842179473 is a deficient number, since it is larger than the sum of its proper divisors (363811667).

49842179473 is a wasteful number, since it uses less digits than its factorization.

49842179473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363811666.

The product of its digits is 12192768, while the sum is 58.

The spelling of 49842179473 in words is "forty-nine billion, eight hundred forty-two million, one hundred seventy-nine thousand, four hundred seventy-three".

Divisors: 1 137 363811529 49842179473