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2070492817 = 4111503647
BaseRepresentation
bin111101101101001…
…0011011010010001
312100021222221012011
41323122103122101
513220021232232
6541241502521
7102210620131
oct17332233221
95307887164
102070492817
11972814998
124994a1a41
1326cc592a3
14158da8ac1
15c1b89547
hex7b693691

2070492817 has 4 divisors (see below), whose sum is σ = 2071000576. Its totient is φ = 2069985060.

The previous prime is 2070492803. The next prime is 2070492877. The reversal of 2070492817 is 7182940702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2070492817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2070492817.

It is not an unprimeable number, because it can be changed into a prime (2070492877) by changing a digit.

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, 247713 + ... + 255934.

It is an arithmetic number, because the mean of its divisors is an integer number (517750144).

Almost surely, 22070492817 is an apocalyptic number.

It is an amenable number.

2070492817 is a deficient number, since it is larger than the sum of its proper divisors (507759).

2070492817 is an equidigital number, since it uses as much as digits as its factorization.

2070492817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507758.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2070492817 is about 45502.6682404450. The cubic root of 2070492817 is about 1274.5530289209.

The spelling of 2070492817 in words is "two billion, seventy million, four hundred ninety-two thousand, eight hundred seventeen".

Divisors: 1 4111 503647 2070492817