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2725605164 = 221197156921
BaseRepresentation
bin1010001001110101…
…0110111100101100
321000221201002101102
42202131112330230
521040223331124
61130243102232
7124354155512
oct24235267454
97027632342
102725605164
111179595557
12640971978
133458b0229
141bbdba4b2
1510e441aae
hexa2756f2c

2725605164 has 12 divisors (see below), whose sum is σ = 4770291288. Its totient is φ = 1362664800.

The previous prime is 2725605143. The next prime is 2725605187. The reversal of 2725605164 is 4615065272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19424 + ... + 76344.

It is an arithmetic number, because the mean of its divisors is an integer number (397524274).

Almost surely, 22725605164 is an apocalyptic number.

It is an amenable number.

2725605164 is a deficient number, since it is larger than the sum of its proper divisors (2044686124).

2725605164 is a wasteful number, since it uses less digits than its factorization.

2725605164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68896 (or 68894 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2725605164 is about 52207.3286426341. The cubic root of 2725605164 is about 1396.8646098645.

The spelling of 2725605164 in words is "two billion, seven hundred twenty-five million, six hundred five thousand, one hundred sixty-four".

Divisors: 1 2 4 11971 23942 47884 56921 113842 227684 681401291 1362802582 2725605164