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8199000007 = 112731272927
BaseRepresentation
bin1111010001011001…
…01100111111000111
3210011101212100120221
413220230230333013
5113242421000012
63433325005211
7410115231052
oct75054547707
923141770527
108199000007
113528138070
1217099b3807
13a0883a1c3
1457aca9a99
1532ec08507
hex1e8b2cfc7

8199000007 has 8 divisors (see below), whose sum is σ = 8947671552. Its totient is φ = 7450879800.

The previous prime is 8198999993. The next prime is 8199000041. The reversal of 8199000007 is 7000009918.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8199000007 - 223 = 8190611399 is a prime.

It is a super-2 number, since 2×81990000072 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8199000107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106423 + ... + 166504.

It is an arithmetic number, because the mean of its divisors is an integer number (1118458944).

Almost surely, 28199000007 is an apocalyptic number.

8199000007 is a deficient number, since it is larger than the sum of its proper divisors (748671545).

8199000007 is a wasteful number, since it uses less digits than its factorization.

8199000007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275669.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 8199000007 is about 90548.3296753728. The cubic root of 8199000007 is about 2016.4476997085.

The spelling of 8199000007 in words is "eight billion, one hundred ninety-nine million, seven", and thus it is an aban number.

Divisors: 1 11 2731 30041 272927 3002197 745363637 8199000007