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2725013643 = 31182576171
BaseRepresentation
bin1010001001101100…
…0110100010001011
321000220121000222020
42202123012202023
521040100414033
61130222255523
7124346143122
oct24233064213
97026530866
102725013643
1111792210a0
126407275a3
13345733c11
141bbca4ab9
1510e3766b3
hexa26c688b

2725013643 has 8 divisors (see below), whose sum is σ = 3963656256. Its totient is φ = 1651523400.

The previous prime is 2725013639. The next prime is 2725013651. The reversal of 2725013643 is 3463105272.

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

It is not a de Polignac number, because 2725013643 - 22 = 2725013639 is a prime.

It is a super-2 number, since 2×27250136432 = 14851398709072262898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 82576171 = 2725013643 / (2 + 7 + 2 + 5 + 0 + 1 + 3 + 6 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (2725013653) 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, 41288053 + ... + 41288118.

It is an arithmetic number, because the mean of its divisors is an integer number (495457032).

Almost surely, 22725013643 is an apocalyptic number.

2725013643 is a deficient number, since it is larger than the sum of its proper divisors (1238642613).

2725013643 is a wasteful number, since it uses less digits than its factorization.

2725013643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82576185.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 2725013643 is about 52201.6632206293. The cubic root of 2725013643 is about 1396.7635516307.

The spelling of 2725013643 in words is "two billion, seven hundred twenty-five million, thirteen thousand, six hundred forty-three".

Divisors: 1 3 11 33 82576171 247728513 908337881 2725013643