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2412780065 = 53115566323
BaseRepresentation
bin1000111111010000…
…0001101000100001
320020011001221000122
42033310001220201
514420132430230
61035230130025
7113535202133
oct21764015041
96204057018
102412780065
111028a51413
12574050915
132c5b41a17
1418c629053
15e1c4cbe5
hex8fd01a21

2412780065 has 8 divisors (see below), whose sum is σ = 2988734208. Its totient is φ = 1867958640.

The previous prime is 2412780061. The next prime is 2412780079. The reversal of 2412780065 is 5600872142.

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

It is not a de Polignac number, because 2412780065 - 22 = 2412780061 is a prime.

It is a super-2 number, since 2×24127800652 = 11643015284122808450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2412780061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7783007 + ... + 7783316.

It is an arithmetic number, because the mean of its divisors is an integer number (373591776).

Almost surely, 22412780065 is an apocalyptic number.

It is an amenable number.

2412780065 is a deficient number, since it is larger than the sum of its proper divisors (575954143).

2412780065 is a wasteful number, since it uses less digits than its factorization.

2412780065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15566359.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 2412780065 is about 49120.0576648684. The cubic root of 2412780065 is about 1341.2381933519.

The spelling of 2412780065 in words is "two billion, four hundred twelve million, seven hundred eighty thousand, sixty-five".

Divisors: 1 5 31 155 15566323 77831615 482556013 2412780065