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2687025121 = 112311105701
BaseRepresentation
bin1010000000101000…
…1011111111100001
320221021010000111221
42200022023333201
521000334300441
61122344135041
7123405223324
oct24012137741
96837100457
102687025121
111159834820
1262ba67481
1333a8c2ac1
141b6c167bb
1510ad708d1
hexa028bfe1

2687025121 has 8 divisors (see below), whose sum is σ = 2932596288. Its totient is φ = 2441670000.

The previous prime is 2687025113. The next prime is 2687025139. The reversal of 2687025121 is 1215207862.

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 2687025121 - 23 = 2687025113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2687025181) 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, 27430 + ... + 78271.

It is an arithmetic number, because the mean of its divisors is an integer number (366574536).

Almost surely, 22687025121 is an apocalyptic number.

It is an amenable number.

2687025121 is a deficient number, since it is larger than the sum of its proper divisors (245571167).

2687025121 is a wasteful number, since it uses less digits than its factorization.

2687025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108023.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 2687025121 is about 51836.5230411917. The cubic root of 2687025121 is about 1390.2425470849.

The spelling of 2687025121 in words is "two billion, six hundred eighty-seven million, twenty-five thousand, one hundred twenty-one".

Divisors: 1 11 2311 25421 105701 1162711 244275011 2687025121