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54310969869 = 31313717835701
BaseRepresentation
bin110010100101001011…
…111010001000001101
312012012000200010112120
4302211023322020031
51342212102013434
640541120323153
73631606425012
oct624513721015
9165160603476
1054310969869
1121040143572
12a6387734b9
135176c30380
1428b30b1709
15162d094349
hexca52fa20d

54310969869 has 32 divisors (see below), whose sum is σ = 78612059904. Its totient is φ = 33153753600.

The previous prime is 54310969837. The next prime is 54310969883. The reversal of 54310969869 is 96896901345.

It is not a de Polignac number, because 54310969869 - 25 = 54310969837 is a prime.

It is a super-2 number, since 2×543109698692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54310969819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9523719 + ... + 9529419.

It is an arithmetic number, because the mean of its divisors is an integer number (2456626872).

Almost surely, 254310969869 is an apocalyptic number.

It is an amenable number.

54310969869 is a deficient number, since it is larger than the sum of its proper divisors (24301090035).

54310969869 is a wasteful number, since it uses less digits than its factorization.

54310969869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7637.

The product of its (nonzero) digits is 12597120, while the sum is 60.

The spelling of 54310969869 in words is "fifty-four billion, three hundred ten million, nine hundred sixty-nine thousand, eight hundred sixty-nine".

Divisors: 1 3 13 39 137 411 1781 1783 5343 5349 5701 17103 23179 69537 74113 222339 244271 732813 781037 2343111 3175523 9526569 10153481 10164883 30460443 30494649 132143479 396430437 1392588971 4177766913 18103656623 54310969869