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48315126687 = 3109397372173
BaseRepresentation
bin101100111111110011…
…100101001110011111
311121201011102201221120
4230333303211032133
51242422133023222
634110132502023
73330202541442
oct547763451637
9147634381846
1048315126687
11195436a1873
12944477a913
13472c98b679
1424a4a65659
1513cb9cd15c
hexb3fce539f

48315126687 has 16 divisors (see below), whose sum is σ = 65175110880. Its totient is φ = 31834104192.

The previous prime is 48315126661. The next prime is 48315126707. The reversal of 48315126687 is 78662151384.

It is a de Polignac number, because none of the positive numbers 2k-48315126687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48315126487) 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, 56268 + ... + 315905.

It is an arithmetic number, because the mean of its divisors is an integer number (4073444430).

Almost surely, 248315126687 is an apocalyptic number.

48315126687 is a deficient number, since it is larger than the sum of its proper divisors (16859984193).

48315126687 is a wasteful number, since it uses less digits than its factorization.

48315126687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372682.

The product of its digits is 1935360, while the sum is 51.

The spelling of 48315126687 in words is "forty-eight billion, three hundred fifteen million, one hundred twenty-six thousand, six hundred eighty-seven".

Divisors: 1 3 109 327 397 1191 43273 129819 372173 1116519 40566857 121700571 147752681 443258043 16105042229 48315126687