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49668133239 = 325518681471
BaseRepresentation
bin101110010000011100…
…111001000101110111
311202012110100121000100
4232100130321011313
51303210020230424
634452304245143
73405552111114
oct562034710567
9152173317010
1049668133239
111a0784036aa
1297619107b3
1348b709536a
14259262390b
15145a68ddc9
hexb90739177

49668133239 has 6 divisors (see below), whose sum is σ = 71742859136. Its totient is φ = 33112088820.

The previous prime is 49668133237. The next prime is 49668133247. The reversal of 49668133239 is 93233186694.

It is not a de Polignac number, because 49668133239 - 21 = 49668133237 is a prime.

It is a super-2 number, since 2×496681332392 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49668133237) 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 5 ways as a sum of consecutive naturals, for example, 2759340727 + ... + 2759340744.

Almost surely, 249668133239 is an apocalyptic number.

49668133239 is a deficient number, since it is larger than the sum of its proper divisors (22074725897).

49668133239 is a wasteful number, since it uses less digits than its factorization.

49668133239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518681477 (or 5518681474 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The spelling of 49668133239 in words is "forty-nine billion, six hundred sixty-eight million, one hundred thirty-three thousand, two hundred thirty-nine".

Divisors: 1 3 9 5518681471 16556044413 49668133239