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2072370009 = 3690790003
BaseRepresentation
bin111101110000101…
…1101101101011001
312100102112022012210
41323201131231121
513221011320014
6541350025333
7102232566033
oct17341355531
95312468183
102072370009
11973887296
1249a048249
13270465858
14159336c53
15c1e0a859
hex7b85db59

2072370009 has 4 divisors (see below), whose sum is σ = 2763160016. Its totient is φ = 1381580004.

The previous prime is 2072370007. The next prime is 2072370011. The reversal of 2072370009 is 9000732702.

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 an interprime number because it is at equal distance from previous prime (2072370007) and next prime (2072370011).

It is not a de Polignac number, because 2072370009 - 21 = 2072370007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2072370007) 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 3 ways as a sum of consecutive naturals, for example, 345394999 + ... + 345395004.

It is an arithmetic number, because the mean of its divisors is an integer number (690790004).

Almost surely, 22072370009 is an apocalyptic number.

It is an amenable number.

2072370009 is a deficient number, since it is larger than the sum of its proper divisors (690790007).

2072370009 is an equidigital number, since it uses as much as digits as its factorization.

2072370009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690790006.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 2072370009 is about 45523.2908410629. The cubic root of 2072370009 is about 1274.9380995708.

The spelling of 2072370009 in words is "two billion, seventy-two million, three hundred seventy thousand, nine".

Divisors: 1 3 690790003 2072370009