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47996669975 = 5219349419691
BaseRepresentation
bin101100101100110100…
…110001000000010111
311120212222012110110112
4230230310301000113
51241244121414400
634014355113235
73316254651302
oct545464610027
9146788173415
1047996669975
111939a961601
129375ba281b
1346ab9caa47
142474649b39
1513ada75835
hexb2cd31017

47996669975 has 48 divisors (see below), whose sum is σ = 63068880000. Its totient is φ = 36133257600.

The previous prime is 47996669957. The next prime is 47996669983. The reversal of 47996669975 is 57996669974.

It is not a de Polignac number, because 47996669975 - 26 = 47996669911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47996669896 and 47996669905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69459380 + ... + 69460070.

It is an arithmetic number, because the mean of its divisors is an integer number (1313935000).

Almost surely, 247996669975 is an apocalyptic number.

47996669975 is a deficient number, since it is larger than the sum of its proper divisors (15072210025).

47996669975 is a wasteful number, since it uses less digits than its factorization.

47996669975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1483 counting only the distinct ones).

The product of its digits is 1388832480, while the sum is 77.

Subtracting 47996669975 from its reverse (57996669974), we obtain a palindrome (9999999999).

The spelling of 47996669975 in words is "forty-seven billion, nine hundred ninety-six million, six hundred sixty-nine thousand, nine hundred seventy-five".

Divisors: 1 5 19 25 95 349 419 475 691 1745 2095 3455 6631 7961 8725 10475 13129 17275 33155 39805 65645 146231 165775 199025 241159 289529 328225 731155 1205795 1447645 2778389 3655775 4582021 5501051 6028975 7238225 13891945 22910105 27505255 69459725 101045621 114550525 137526275 505228105 1919866799 2526140525 9599333995 47996669975