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2125987339 = 71092786353
BaseRepresentation
bin111111010110111…
…1111111000001011
312111011102100100211
41332231333320023
513323223043324
6550543141551
7103453410550
oct17655777013
95434370324
102125987339
119a1078833
124b3ba48b7
1327b5b9598
141624d2a27
15c699c294
hex7eb7fe0b

2125987339 has 8 divisors (see below), whose sum is σ = 2451991520. Its totient is φ = 1805556096.

The previous prime is 2125987333. The next prime is 2125987351. The reversal of 2125987339 is 9337895212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125987339 - 213 = 2125979147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125987292 and 2125987301.

It is not an unprimeable number, because it can be changed into a prime (2125987333) 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, 1392414 + ... + 1393939.

It is an arithmetic number, because the mean of its divisors is an integer number (306498940).

Almost surely, 22125987339 is an apocalyptic number.

2125987339 is a deficient number, since it is larger than the sum of its proper divisors (326004181).

2125987339 is a wasteful number, since it uses less digits than its factorization.

2125987339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786469.

The product of its digits is 816480, while the sum is 49.

The square root of 2125987339 is about 46108.4302378643. The cubic root of 2125987339 is about 1285.8398803100.

The spelling of 2125987339 in words is "two billion, one hundred twenty-five million, nine hundred eighty-seven thousand, three hundred thirty-nine".

Divisors: 1 7 109 763 2786353 19504471 303712477 2125987339