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48400042431 = 3136718522787
BaseRepresentation
bin101101000100110111…
…100000100110111111
311121221002012220110010
4231010313200212333
51243110402324211
634122404514303
73332253400266
oct550467404677
9147832186403
1048400042431
1119587620274
1294690ab993
134744450380
1424b204b5dd
1513d41a34a6
hexb44de09bf

48400042431 has 16 divisors (see below), whose sum is σ = 70534776704. Its totient is φ = 29340093024.

The previous prime is 48400042429. The next prime is 48400042447. The reversal of 48400042431 is 13424000484.

It is not a de Polignac number, because 48400042431 - 21 = 48400042429 is a prime.

It is a super-2 number, since 2×484000424312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48400042531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9258781 + ... + 9264006.

It is an arithmetic number, because the mean of its divisors is an integer number (4408423544).

Almost surely, 248400042431 is an apocalyptic number.

48400042431 is a deficient number, since it is larger than the sum of its proper divisors (22134734273).

48400042431 is a wasteful number, since it uses less digits than its factorization.

48400042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18522870.

The product of its (nonzero) digits is 12288, while the sum is 30.

The spelling of 48400042431 in words is "forty-eight billion, four hundred million, forty-two thousand, four hundred thirty-one".

Divisors: 1 3 13 39 67 201 871 2613 18522787 55568361 240796231 722388693 1241026729 3723080187 16133347477 48400042431