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2872570645 = 5782073447
BaseRepresentation
bin1010101100110111…
…1111001100010101
321102012020201010101
42223031333030111
521340334230040
61153013054101
7131120306350
oct25315771425
97365221111
102872570645
11124454492a
12682027331
1336a188b59
141d3715297
1511c2c209a
hexab37f315

2872570645 has 8 divisors (see below), whose sum is σ = 3939525504. Its totient is φ = 1969762704.

The previous prime is 2872570643. The next prime is 2872570661. The reversal of 2872570645 is 5460752782.

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

It is not a de Polignac number, because 2872570645 - 21 = 2872570643 is a prime.

It is a super-2 number, since 2×28725706452 = 16503324221031432050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2872570595 and 2872570604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872570643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41036689 + ... + 41036758.

It is an arithmetic number, because the mean of its divisors is an integer number (492440688).

Almost surely, 22872570645 is an apocalyptic number.

It is an amenable number.

2872570645 is a deficient number, since it is larger than the sum of its proper divisors (1066954859).

2872570645 is an equidigital number, since it uses as much as digits as its factorization.

2872570645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82073459.

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 2872570645 is about 53596.3678340240. The cubic root of 2872570645 is about 1421.5328690949.

The spelling of 2872570645 in words is "two billion, eight hundred seventy-two million, five hundred seventy thousand, six hundred forty-five".

Divisors: 1 5 7 35 82073447 410367235 574514129 2872570645