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2920113687 = 3973371229
BaseRepresentation
bin1010111000001101…
…0110011000010111
321112111201010220210
42232003112120113
521440022114222
61201432100503
7132235361661
oct25603263027
97474633823
102920113687
1112693676a7
12695b34733
13376c93b2a
141d9b6d531
15121563d0c
hexae0d6617

2920113687 has 4 divisors (see below), whose sum is σ = 3893484920. Its totient is φ = 1946742456.

The previous prime is 2920113673. The next prime is 2920113701. The reversal of 2920113687 is 7863110292.

2920113687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2920113673) and next prime (2920113701).

It is not a de Polignac number, because 2920113687 - 216 = 2920048151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920113487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486685612 + ... + 486685617.

It is an arithmetic number, because the mean of its divisors is an integer number (973371230).

Almost surely, 22920113687 is an apocalyptic number.

2920113687 is a deficient number, since it is larger than the sum of its proper divisors (973371233).

2920113687 is an equidigital number, since it uses as much as digits as its factorization.

2920113687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973371232.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2920113687 is about 54038.0762703485. The cubic root of 2920113687 is about 1429.3324491124.

The spelling of 2920113687 in words is "two billion, nine hundred twenty million, one hundred thirteen thousand, six hundred eighty-seven".

Divisors: 1 3 973371229 2920113687