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48902585391 = 32111428134589
BaseRepresentation
bin101101100010110100…
…100011110000101111
311200020002211201210100
4231202310203300233
51300123030213031
634244320042143
73350565055152
oct554264436057
9150202751710
1048902585391
1119815264230
129589463353
1347c45b5a7a
14251caa5c99
15141336ede6
hexb62d23c2f

48902585391 has 24 divisors (see below), whose sum is σ = 77066243280. Its totient is φ = 29634998400.

The previous prime is 48902585357. The next prime is 48902585399. The reversal of 48902585391 is 19358520984.

48902585391 is a `hidden beast` number, since 4 + 89 + 0 + 25 + 8 + 539 + 1 = 666.

It is not a de Polignac number, because 48902585391 - 221 = 48900488239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48902585399) 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 23 ways as a sum of consecutive naturals, for example, 1396525 + ... + 1431113.

It is an arithmetic number, because the mean of its divisors is an integer number (3211093470).

Almost surely, 248902585391 is an apocalyptic number.

48902585391 is a deficient number, since it is larger than the sum of its proper divisors (28163657889).

48902585391 is a wasteful number, since it uses less digits than its factorization.

48902585391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48887 (or 48884 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 48902585391 in words is "forty-eight billion, nine hundred two million, five hundred eighty-five thousand, three hundred ninety-one".

Divisors: 1 3 9 11 33 99 14281 34589 42843 103767 128529 157091 311301 380479 471273 1141437 1413819 3424311 493965509 1481896527 4445689581 5433620599 16300861797 48902585391