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1122143109 = 31931938071
BaseRepresentation
bin100001011100010…
…1000101110000101
32220012111202221220
41002320220232011
54244232034414
6303203230553
736544026153
oct10270505605
92805452856
101122143109
115264697aa
12273978459
1314b634709
14a90643d3
15687abca9
hex42e28b85

1122143109 has 8 divisors (see below), whose sum is σ = 1503943872. Its totient is φ = 744218880.

The previous prime is 1122143107. The next prime is 1122143137. The reversal of 1122143109 is 9013412211.

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

It is not a de Polignac number, because 1122143109 - 21 = 1122143107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122143107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968457 + ... + 969614.

It is an arithmetic number, because the mean of its divisors is an integer number (187992984).

Almost surely, 21122143109 is an apocalyptic number.

It is an amenable number.

1122143109 is a deficient number, since it is larger than the sum of its proper divisors (381800763).

1122143109 is a wasteful number, since it uses less digits than its factorization.

1122143109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938267.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1122143109 is about 33498.4045739495. The cubic root of 1122143109 is about 1039.1607840936.

The spelling of 1122143109 in words is "one billion, one hundred twenty-two million, one hundred forty-three thousand, one hundred nine".

Divisors: 1 3 193 579 1938071 5814213 374047703 1122143109