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49909400047 = 1319979192161
BaseRepresentation
bin101110011110110101…
…010000000111101111
311202211021100012212001
4232132311100013233
51304203301300142
634532243353131
73414541620643
oct563665200757
9152737305761
1049909400047
111a191611a61
12980a6827a7
13492506a9a0
1425b66a8c23
15147194a5b7
hexb9ed501ef

49909400047 has 8 divisors (see below), whose sum is σ = 53751554640. Its totient is φ = 46067669760.

The previous prime is 49909400041. The next prime is 49909400053. The reversal of 49909400047 is 74000490994.

It is an interprime number because it is at equal distance from previous prime (49909400041) and next prime (49909400053).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49909400047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49909400041) 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, 163647 + ... + 355807.

It is an arithmetic number, because the mean of its divisors is an integer number (6718944330).

Almost surely, 249909400047 is an apocalyptic number.

49909400047 is a deficient number, since it is larger than the sum of its proper divisors (3842154593).

49909400047 is a wasteful number, since it uses less digits than its factorization.

49909400047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212153.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 49909400047 in words is "forty-nine billion, nine hundred nine million, four hundred thousand, forty-seven".

Divisors: 1 13 19979 192161 259727 2498093 3839184619 49909400047