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2680432990 = 25268043299
BaseRepresentation
bin1001111111000100…
…0010100101011110
320220210201002210221
42133301002211132
520442142323430
61121550551554
7123265206304
oct23761024536
96823632727
102680432990
111156041a84
126298085ba
13339425431
141b5dbc274
1510a4bc57a
hex9fc4295e

2680432990 has 8 divisors (see below), whose sum is σ = 4824779400. Its totient is φ = 1072173192.

The previous prime is 2680432981. The next prime is 2680432991. The reversal of 2680432990 is 992340862.

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

It is a super-3 number, since 3×26804329903 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680432991) 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 3 ways as a sum of consecutive naturals, for example, 134021640 + ... + 134021659.

It is an arithmetic number, because the mean of its divisors is an integer number (603097425).

Almost surely, 22680432990 is an apocalyptic number.

2680432990 is a deficient number, since it is larger than the sum of its proper divisors (2144346410).

2680432990 is a wasteful number, since it uses less digits than its factorization.

2680432990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268043306.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 2680432990 is about 51772.8982190489. The cubic root of 2680432990 is about 1389.1047130585.

The spelling of 2680432990 in words is "two billion, six hundred eighty million, four hundred thirty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 268043299 536086598 1340216495 2680432990