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49661439011 = 617971021483
BaseRepresentation
bin101110010000000011…
…010110110000100011
311202011222202111020222
4232100003112300203
51303201312022021
634451504553255
73405441160322
oct562003266043
9152158674228
1049661439011
111a074651188
12975b62282b
1348b5890392
1425917a00b9
151459cba6ab
hexb900d6c23

49661439011 has 8 divisors (see below), whose sum is σ = 50538942384. Its totient is φ = 48785980320.

The previous prime is 49661438987. The next prime is 49661439013. The reversal of 49661439011 is 11093416694.

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 49661439011 - 214 = 49661422627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49661439013) 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, 462125 + ... + 559358.

It is an arithmetic number, because the mean of its divisors is an integer number (6317367798).

Almost surely, 249661439011 is an apocalyptic number.

49661439011 is a deficient number, since it is larger than the sum of its proper divisors (877503373).

49661439011 is a wasteful number, since it uses less digits than its factorization.

49661439011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022341.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 49661439011 in words is "forty-nine billion, six hundred sixty-one million, four hundred thirty-nine thousand, eleven".

Divisors: 1 61 797 48617 1021483 62310463 814121951 49661439011