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1126955909 = 23213122993
BaseRepresentation
bin100001100101011…
…1111101110000101
32220112120021212202
41003022333232011
54302000042114
6303454324245
736632652512
oct10312775605
92815507782
101126955909
11529156722
122754b9685
1314c62b221
14a9958309
1568e0ccde
hex432bfb85

1126955909 has 8 divisors (see below), whose sum is σ = 1176556992. Its totient is φ = 1077405120.

The previous prime is 1126955903. The next prime is 1126955923. The reversal of 1126955909 is 9095596211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1126955909 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 (1126955903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37517 + ... + 60509.

It is an arithmetic number, because the mean of its divisors is an integer number (147069624).

Almost surely, 21126955909 is an apocalyptic number.

It is an amenable number.

1126955909 is a deficient number, since it is larger than the sum of its proper divisors (49601083).

1126955909 is a wasteful number, since it uses less digits than its factorization.

1126955909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25147.

The product of its (nonzero) digits is 218700, while the sum is 47.

The square root of 1126955909 is about 33570.1639704068. The cubic root of 1126955909 is about 1040.6442965866.

The spelling of 1126955909 in words is "one billion, one hundred twenty-six million, nine hundred fifty-five thousand, nine hundred nine".

Divisors: 1 23 2131 22993 49013 528839 48998083 1126955909