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2642140207 = 72913015469
BaseRepresentation
bin1001110101111011…
…1101110000101111
320211010122121222201
42131132331300233
520402341441312
61114102122331
7122321551450
oct23536756057
96733577881
102642140207
111136468053
12618a203a7
13331508995
141b0c91127
15106e56557
hex9d7bdc2f

2642140207 has 8 divisors (see below), whose sum is σ = 3123712800. Its totient is φ = 2186598624.

The previous prime is 2642140177. The next prime is 2642140213. The reversal of 2642140207 is 7020412462.

It is a happy number.

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

It is not a de Polignac number, because 2642140207 - 227 = 2507922479 is a prime.

It is a super-3 number, since 3×26421402073 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642144207) 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, 6507532 + ... + 6507937.

It is an arithmetic number, because the mean of its divisors is an integer number (390464100).

Almost surely, 22642140207 is an apocalyptic number.

2642140207 is a deficient number, since it is larger than the sum of its proper divisors (481572593).

2642140207 is a wasteful number, since it uses less digits than its factorization.

2642140207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13015505.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2642140207 is about 51401.7529564897. The cubic root of 2642140207 is about 1382.4580233095.

Adding to 2642140207 its reverse (7020412462), we get a palindrome (9662552669).

The spelling of 2642140207 in words is "two billion, six hundred forty-two million, one hundred forty thousand, two hundred seven".

Divisors: 1 7 29 203 13015469 91108283 377448601 2642140207