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49871368963007 = 138293606288883
BaseRepresentation
bin10110101011011100101010…
…01110110100001110111111
320112120122201110011112201122
423111232111032310032333
523014043030423304012
6254022331323501155
713335042004561424
oct1325562516641677
9215518643145648
1049871368963007
11149883686aa149
1257154a46877bb
1321a9b08350c37
14c45b03c91d4b
155b74070aee72
hex2d5b953b43bf

49871368963007 has 4 divisors (see below), whose sum is σ = 49874975265720. Its totient is φ = 49867762660296.

The previous prime is 49871368962971. The next prime is 49871368963019. The reversal of 49871368963007 is 70036986317894.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49871368963007 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 (49871368963807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803130613 + ... + 1803158270.

It is an arithmetic number, because the mean of its divisors is an integer number (12468743816430).

Almost surely, 249871368963007 is an apocalyptic number.

49871368963007 is a deficient number, since it is larger than the sum of its proper divisors (3606302713).

49871368963007 is a wasteful number, since it uses less digits than its factorization.

49871368963007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606302712.

The product of its (nonzero) digits is 329204736, while the sum is 71.

The spelling of 49871368963007 in words is "forty-nine trillion, eight hundred seventy-one billion, three hundred sixty-eight million, nine hundred sixty-three thousand, seven".

Divisors: 1 13829 3606288883 49871368963007