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109272909091 = 1013037356243
BaseRepresentation
bin110010111000100101…
…1000100010100100011
3101110001102020221011011
41211301023010110203
53242242331042331
6122111013401351
710615612254613
oct1456113042443
9343042227134
10109272909091
1142384787a35
1219217339257
13a3c59939b8
1454087d6a43
152c983733b1
hex19712c4523

109272909091 has 8 divisors (see below), whose sum is σ = 110391465744. Its totient is φ = 108155071200.

The previous prime is 109272909073. The next prime is 109272909101. The reversal of 109272909091 is 190909272901.

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 109272909091 - 219 = 109272384803 is a prime.

It is a super-2 number, since 2×1092729090912 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109272909061) 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, 128616 + ... + 484858.

It is an arithmetic number, because the mean of its divisors is an integer number (13798933218).

Almost surely, 2109272909091 is an apocalyptic number.

109272909091 is a deficient number, since it is larger than the sum of its proper divisors (1118556653).

109272909091 is a wasteful number, since it uses less digits than its factorization.

109272909091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359381.

The product of its (nonzero) digits is 183708, while the sum is 49.

The spelling of 109272909091 in words is "one hundred nine billion, two hundred seventy-two million, nine hundred nine thousand, ninety-one".

Divisors: 1 101 3037 306737 356243 35980543 1081909991 109272909091