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109951061 = 1140924439
BaseRepresentation
bin1101000110110…
…11100001010101
321122220002111112
412203123201111
5211121413221
614524344405
72503366013
oct643334125
9248802445
10109951061
1157078950
12309a5105
1319a18ccc
14108618b3
1599bd15b
hex68db855

109951061 has 8 divisors (see below), whose sum is σ = 120244800. Its totient is φ = 99707040.

The previous prime is 109951057. The next prime is 109951073. The reversal of 109951061 is 160159901.

It is a happy number.

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 109951061 - 22 = 109951057 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 (109951031) 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, 7721 + ... + 16718.

It is an arithmetic number, because the mean of its divisors is an integer number (15030600).

Almost surely, 2109951061 is an apocalyptic number.

109951061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109951061 is a deficient number, since it is larger than the sum of its proper divisors (10293739).

109951061 is a wasteful number, since it uses less digits than its factorization.

109951061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24859.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 109951061 is about 10485.7551468647. The cubic root of 109951061 is about 479.0709184095.

The spelling of 109951061 in words is "one hundred nine million, nine hundred fifty-one thousand, sixty-one".

Divisors: 1 11 409 4499 24439 268829 9995551 109951061