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5168531284 = 2271715171909
BaseRepresentation
bin1001101000001000…
…11000011101010100
3111100012111121000121
410310010120131110
541041121000114
62212511321324
7242036535220
oct46404303524
914305447017
105168531284
112212557064
121002b20244
13644a48547
14370611780
15203b46a24
hex134118754

5168531284 has 48 divisors (see below), whose sum is σ = 11017762560. Its totient is φ = 2070950400.

The previous prime is 5168531231. The next prime is 5168531321. The reversal of 5168531284 is 4821358615.

It is a self number, because there is not a number n which added to its sum of digits gives 5168531284.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35922 + ... + 107830.

It is an arithmetic number, because the mean of its divisors is an integer number (229536720).

Almost surely, 25168531284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5168531284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5508881280).

5168531284 is an abundant number, since it is smaller than the sum of its proper divisors (5849231276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5168531284 is a wasteful number, since it uses less digits than its factorization.

5168531284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72088 (or 72086 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 5168531284 is about 71892.4981065479. The cubic root of 5168531284 is about 1728.9763380619.

Adding to 5168531284 its reverse (4821358615), we get a palindrome (9989889899).

The spelling of 5168531284 in words is "five billion, one hundred sixty-eight million, five hundred thirty-one thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 17 28 34 68 119 151 238 302 476 604 1057 2114 2567 4228 5134 10268 17969 35938 71876 71909 143818 287636 503363 1006726 1222453 2013452 2444906 4889812 8557171 10858259 17114342 21716518 34228684 43433036 76007813 152015626 184590403 304031252 369180806 738361612 1292132821 2584265642 5168531284