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2070996979 = 19108999841
BaseRepresentation
bin111101101110000…
…1110011111110011
312100022221112202211
41323130032133303
513220133400404
6541300352551
7102215120032
oct17334163763
95308845684
102070996979
11973029757
124996a5757
132700a48cc
1415909a719
15c1c38b04
hex7b70e7f3

2070996979 has 4 divisors (see below), whose sum is σ = 2179996840. Its totient is φ = 1961997120.

The previous prime is 2070996959. The next prime is 2070997007. The reversal of 2070996979 is 9796990702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9796990702 = 24898495351.

It is a cyclic number.

It is not a de Polignac number, because 2070996979 - 29 = 2070996467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070996959) 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, 54499902 + ... + 54499939.

It is an arithmetic number, because the mean of its divisors is an integer number (544999210).

Almost surely, 22070996979 is an apocalyptic number.

2070996979 is a deficient number, since it is larger than the sum of its proper divisors (108999861).

2070996979 is a wasteful number, since it uses less digits than its factorization.

2070996979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108999860.

The product of its (nonzero) digits is 3857868, while the sum is 58.

The square root of 2070996979 is about 45508.2078201284. The cubic root of 2070996979 is about 1274.6564711305.

The spelling of 2070996979 in words is "two billion, seventy million, nine hundred ninety-six thousand, nine hundred seventy-nine".

Divisors: 1 19 108999841 2070996979