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2971631526020 = 225710920900489
BaseRepresentation
bin101011001111100011000…
…010101010000010000100
3101112002022002222111000122
4223033203002222002010
5342141400132313040
610153052040401112
7424456541130623
oct53174302520204
911462262874018
102971631526020
11a46297587363
123bbb09476198
131872ba48b321
14a3b8342b6ba
1552473e951b5
hex2b3e30aa084

2971631526020 has 24 divisors (see below), whose sum is σ = 6241304323800. Its totient is φ = 1188485349632.

The previous prime is 2971631526011. The next prime is 2971631526043. The reversal of 2971631526020 is 206251361792.

It can be written as a sum of positive squares in 4 ways, for example, as 110608126084 + 2861023399936 = 332578^2 + 1691456^2 .

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 7 ways as a sum of consecutive naturals, for example, 10308065 + ... + 10592424.

It is an arithmetic number, because the mean of its divisors is an integer number (260054346825).

Almost surely, 22971631526020 is an apocalyptic number.

2971631526020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2971631526020 is an abundant number, since it is smaller than the sum of its proper divisors (3269672797780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2971631526020 is a wasteful number, since it uses less digits than its factorization.

2971631526020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20907607 (or 20907605 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 2971631526020 in words is "two trillion, nine hundred seventy-one billion, six hundred thirty-one million, five hundred twenty-six thousand, twenty".

Divisors: 1 2 4 5 10 20 7109 14218 28436 35545 71090 142180 20900489 41800978 83601956 104502445 209004890 418009780 148581576301 297163152602 594326305204 742907881505 1485815763010 2971631526020