Search a number
-
+
2660246842 = 211120920311
BaseRepresentation
bin1001111010010000…
…0010010100111010
320212101201112121211
42132210002110322
520422010344332
61115550153334
7122631503461
oct23644022472
96771645554
102660246842
111145704910
12622ab284a
133351a8376
141b34459d8
15108831447
hex9e90253a

2660246842 has 8 divisors (see below), whose sum is σ = 4353131232. Its totient is φ = 1209203100.

The previous prime is 2660246807. The next prime is 2660246851. The reversal of 2660246842 is 2486420662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2660246795 and 2660246804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60460134 + ... + 60460177.

It is an arithmetic number, because the mean of its divisors is an integer number (544141404).

Almost surely, 22660246842 is an apocalyptic number.

2660246842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2660246842 is a deficient number, since it is larger than the sum of its proper divisors (1692884390).

2660246842 is a wasteful number, since it uses less digits than its factorization.

2660246842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120920324.

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 2660246842 is about 51577.5808079441. The cubic root of 2660246842 is about 1385.6088400428.

The spelling of 2660246842 in words is "two billion, six hundred sixty million, two hundred forty-six thousand, eight hundred forty-two".

Divisors: 1 2 11 22 120920311 241840622 1330123421 2660246842