Search a number
-
+
2668296280 = 235135131339
BaseRepresentation
bin1001111100001010…
…1111100001011000
320212221212111101011
42133002233201120
520431040440110
61120434503304
7123060100306
oct23702574130
96787774334
102668296280
11114a202541
12625734b34
13336a66150
141b453d276
151093c148a
hex9f0af858

2668296280 has 32 divisors (see below), whose sum is σ = 6465488400. Its totient is φ = 985216896.

The previous prime is 2668296271. The next prime is 2668296287. The reversal of 2668296280 is 826928662.

It is a happy number.

2668296280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668296287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565150 + ... + 2566189.

Almost surely, 22668296280 is an apocalyptic number.

2668296280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2668296280 is an abundant number, since it is smaller than the sum of its proper divisors (3797192120).

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

2668296280 is a wasteful number, since it uses less digits than its factorization.

2668296280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131363 (or 5131359 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 2668296280 is about 51655.5542028154. The cubic root of 2668296280 is about 1387.0049688740.

The spelling of 2668296280 in words is "two billion, six hundred sixty-eight million, two hundred ninety-six thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 5131339 10262678 20525356 25656695 41050712 51313390 66707407 102626780 133414814 205253560 266829628 333537035 533659256 667074070 1334148140 2668296280