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109007129 = 7113145667
BaseRepresentation
bin1100111111101…
…01000100011001
321121010010200002
412133311010121
5210401212004
614452222345
72462355020
oct637650431
9247103602
10109007129
1156593740
123060a9b5
131977847a
14106978b7
15988361e
hex67f5119

109007129 has 16 divisors (see below), whose sum is σ = 140292096. Its totient is φ = 82198800.

The previous prime is 109007113. The next prime is 109007131. The reversal of 109007129 is 921700901.

It is a cyclic number.

It is not a de Polignac number, because 109007129 - 24 = 109007113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109007159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20447 + ... + 25220.

It is an arithmetic number, because the mean of its divisors is an integer number (8768256).

Almost surely, 2109007129 is an apocalyptic number.

It is an amenable number.

109007129 is a deficient number, since it is larger than the sum of its proper divisors (31284967).

109007129 is a wasteful number, since it uses less digits than its factorization.

109007129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45716.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 109007129 is about 10440.6479205076. The cubic root of 109007129 is about 477.6960320073.

The spelling of 109007129 in words is "one hundred nine million, seven thousand, one hundred twenty-nine".

Divisors: 1 7 11 31 77 217 341 2387 45667 319669 502337 1415677 3516359 9909739 15572447 109007129