Search a number
-
+
2531267768 = 231729711287
BaseRepresentation
bin1001011011100000…
…0001010010111000
320112102000201121002
42112320001102320
520141001032033
61055101504132
7116504264261
oct22670012270
96472021532
102531267768
11108991aa37
125a7872048
133145594a3
141a026d968
15ec3553e8
hex96e014b8

2531267768 has 48 divisors (see below), whose sum is σ = 5094161520. Its totient is φ = 1178800128.

The previous prime is 2531267749. The next prime is 2531267803. The reversal of 2531267768 is 8677621352.

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 11 ways as a sum of consecutive naturals, for example, 218621 + ... + 229907.

It is an arithmetic number, because the mean of its divisors is an integer number (106128365).

Almost surely, 22531267768 is an apocalyptic number.

It is an amenable number.

2531267768 is an abundant number, since it is smaller than the sum of its proper divisors (2562893752).

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

2531267768 is a wasteful number, since it uses less digits than its factorization.

2531267768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11424 (or 11403 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 2531267768 is about 50311.7060732391. The cubic root of 2531267768 is about 1362.8436334165.

The spelling of 2531267768 in words is "two billion, five hundred thirty-one million, two hundred sixty-seven thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 17 34 68 97 136 194 289 388 578 776 1156 1649 2312 3298 6596 11287 13192 22574 28033 45148 56066 90296 112132 191879 224264 383758 767516 1094839 1535032 2189678 3261943 4379356 6523886 8758712 13047772 18612263 26095544 37224526 74449052 148898104 316408471 632816942 1265633884 2531267768