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2007869197 = 15113297147
BaseRepresentation
bin111011110101101…
…1010011100001101
312011221011022201211
41313223122130031
513103003303242
6531123334421
7100520415025
oct16753323415
95157138654
102007869197
11940431934
12480521411
1325cca10a9
14150946a85
15bb419317
hex77ada70d

2007869197 has 4 divisors (see below), whose sum is σ = 2021166496. Its totient is φ = 1994571900.

The previous prime is 2007869191. The next prime is 2007869209. The reversal of 2007869197 is 7919687002.

It is a happy number.

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 not a de Polignac number, because 2007869197 - 219 = 2007344909 is a prime.

It is a super-2 number, since 2×20078691972 = 8063077424522849618, which contains 22 as substring.

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 2007869197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007869191) 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, 6648423 + ... + 6648724.

It is an arithmetic number, because the mean of its divisors is an integer number (505291624).

Almost surely, 22007869197 is an apocalyptic number.

It is an amenable number.

2007869197 is a deficient number, since it is larger than the sum of its proper divisors (13297299).

2007869197 is a wasteful number, since it uses less digits than its factorization.

2007869197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13297298.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 2007869197 is about 44809.2534751473. The cubic root of 2007869197 is about 1261.5713152308.

The spelling of 2007869197 in words is "two billion, seven million, eight hundred sixty-nine thousand, one hundred ninety-seven".

Divisors: 1 151 13297147 2007869197