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49105820492 = 22171938007601
BaseRepresentation
bin101101101110111011…
…110101101101001100
311200202021021010221022
4231232323311231030
51301032042223432
634320420053312
73355613405261
oct555673655514
9150667233838
1049105820492
1119909a56823
129625534238
134827733721
14253ba8b268
151426117b12
hexb6eef5b4c

49105820492 has 24 divisors (see below), whose sum is σ = 95779157040. Its totient is φ = 21892377600.

The previous prime is 49105820461. The next prime is 49105820497. The reversal of 49105820492 is 29402850194.

It is a super-2 number, since 2×491058204922 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49105820497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19002509 + ... + 19005092.

It is an arithmetic number, because the mean of its divisors is an integer number (3990798210).

Almost surely, 249105820492 is an apocalyptic number.

It is an amenable number.

49105820492 is a deficient number, since it is larger than the sum of its proper divisors (46673336548).

49105820492 is a wasteful number, since it uses less digits than its factorization.

49105820492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38007641 (or 38007639 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 49105820492 in words is "forty-nine billion, one hundred five million, eight hundred twenty thousand, four hundred ninety-two".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292 38007601 76015202 152030404 646129217 722144419 1292258434 1444288838 2584516868 2888577676 12276455123 24552910246 49105820492