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2199029911 = 13169156147
BaseRepresentation
bin1000001100010010…
…1000100010010111
312200020212021221021
42003010220202113
514000422424121
61002112502011
7105331305631
oct20304504227
95606767837
102199029911
11a293277a1
1251454a907
13290781c40
1416c0a7a51
15cd0c9641
hex83128897

2199029911 has 4 divisors (see below), whose sum is σ = 2368186072. Its totient is φ = 2029873752.

The previous prime is 2199029909. The next prime is 2199029927. The reversal of 2199029911 is 1199209912.

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 2199029911 - 21 = 2199029909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199029411) 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, 84578061 + ... + 84578086.

It is an arithmetic number, because the mean of its divisors is an integer number (592046518).

Almost surely, 22199029911 is an apocalyptic number.

2199029911 is a deficient number, since it is larger than the sum of its proper divisors (169156161).

2199029911 is a wasteful number, since it uses less digits than its factorization.

2199029911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169156160.

The product of its (nonzero) digits is 26244, while the sum is 43.

The square root of 2199029911 is about 46893.8152745114. The cubic root of 2199029911 is about 1300.4002536773.

The spelling of 2199029911 in words is "two billion, one hundred ninety-nine million, twenty-nine thousand, nine hundred eleven".

Divisors: 1 13 169156147 2199029911