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48871091131 = 2923314192
BaseRepresentation
bin101101100000111100…
…011010101110111011
311200010220120122210021
4231200330122232323
51300041444404011
634241233031311
73350033264152
oct554074325673
9150126518707
1048871091131
11197a9503115
12957a9b5537
1347bac09905
142518828599
1514106ed471
hexb60f1abbb

48871091131 has 18 divisors (see below), whose sum is σ = 50888777732. Its totient is φ = 46931050320.

The previous prime is 48871091099. The next prime is 48871091147. The reversal of 48871091131 is 13119017884.

It is not a de Polignac number, because 48871091131 - 25 = 48871091099 is a prime.

It is a super-2 number, since 2×488710911312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48871091431) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 116637240 + ... + 116637658.

Almost surely, 248871091131 is an apocalyptic number.

48871091131 is a deficient number, since it is larger than the sum of its proper divisors (2017686601).

48871091131 is an frugal number, since it uses more digits than its factorization.

48871091131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 43.

The spelling of 48871091131 in words is "forty-eight billion, eight hundred seventy-one million, ninety-one thousand, one hundred thirty-one".

Divisors: 1 29 331 419 841 9599 12151 138689 175561 278371 352379 4021981 5091269 58110691 116637449 147646801 1685210039 48871091131