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2070720107 = 2390031309
BaseRepresentation
bin111101101101100…
…1010111001101011
312100022102110222022
41323123022321223
513220101020412
6541250415055
7102212554601
oct17333127153
95308373868
102070720107
1197295a735
1249959148b
13270008891
14159027871
15c1bd1a72
hex7b6cae6b

2070720107 has 4 divisors (see below), whose sum is σ = 2160751440. Its totient is φ = 1980688776.

The previous prime is 2070720103. The next prime is 2070720121. The reversal of 2070720107 is 7010270702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2070720107 - 22 = 2070720103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070720101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45015632 + ... + 45015677.

It is an arithmetic number, because the mean of its divisors is an integer number (540187860).

Almost surely, 22070720107 is an apocalyptic number.

2070720107 is a deficient number, since it is larger than the sum of its proper divisors (90031333).

2070720107 is an equidigital number, since it uses as much as digits as its factorization.

2070720107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90031332.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 2070720107 is about 45505.1657177512. The cubic root of 2070720107 is about 1274.5996655728.

Adding to 2070720107 its reverse (7010270702), we get a palindrome (9080990809).

The spelling of 2070720107 in words is "two billion, seventy million, seven hundred twenty thousand, one hundred seven".

Divisors: 1 23 90031309 2070720107