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49869052389897 = 3134243301365461
BaseRepresentation
bin10110101011011000010110…
…01001110010101000001001
320112120102202000010102211120
423111230023021302220021
523014023304402434042
6254021305411345453
713334630415203106
oct1325541311625011
9215512660112746
1049869052389897
1114987389a99514
125714b588b2289
1321a9829425410
14c4596434baad
155b731da17dec
hex2d5b0b272a09

49869052389897 has 16 divisors (see below), whose sum is σ = 71623721160768. Its totient is φ = 30681414751680.

The previous prime is 49869052389889. The next prime is 49869052389901. The reversal of 49869052389897 is 79898325096894.

It is a happy number.

It is not a de Polignac number, because 49869052389897 - 23 = 49869052389889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49869052389857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150517254 + ... + 150848207.

It is an arithmetic number, because the mean of its divisors is an integer number (4476482572548).

Almost surely, 249869052389897 is an apocalyptic number.

It is an amenable number.

49869052389897 is a deficient number, since it is larger than the sum of its proper divisors (21754668770871).

49869052389897 is a wasteful number, since it uses less digits than its factorization.

49869052389897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301369720.

The product of its (nonzero) digits is 16930529280, while the sum is 87.

The spelling of 49869052389897 in words is "forty-nine trillion, eight hundred sixty-nine billion, fifty-two million, three hundred eighty-nine thousand, eight hundred ninety-seven".

Divisors: 1 3 13 39 4243 12729 55159 165477 301365461 904096383 3917750993 11753252979 1278693651023 3836080953069 16623017463299 49869052389897