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48745586991 = 373222582589
BaseRepresentation
bin101101011001011101…
…101010000100101111
311122211011102101110210
4231121131222010233
51244312332240431
634220551033503
73343650436653
oct553135520457
9148734371423
1048745586991
1119744681a92
12954496b893
13479ac065ca
142505cb8a63
1514046abd46
hexb5976a12f

48745586991 has 8 divisors (see below), whose sum is σ = 65884446640. Its totient is φ = 32051892672.

The previous prime is 48745586987. The next prime is 48745587017. The reversal of 48745586991 is 19968554784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48745586991 - 22 = 48745586987 is a prime.

It is a super-4 number, since 4×487455869914 (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48745586941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111291076 + ... + 111291513.

It is an arithmetic number, because the mean of its divisors is an integer number (8235555830).

Almost surely, 248745586991 is an apocalyptic number.

48745586991 is a deficient number, since it is larger than the sum of its proper divisors (17138859649).

48745586991 is a wasteful number, since it uses less digits than its factorization.

48745586991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222582665.

The product of its digits is 87091200, while the sum is 66.

The spelling of 48745586991 in words is "forty-eight billion, seven hundred forty-five million, five hundred eighty-six thousand, nine hundred ninety-one".

Divisors: 1 3 73 219 222582589 667747767 16248528997 48745586991