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109138130709 = 343846032021
BaseRepresentation
bin110010110100100100…
…0111011011100010101
3101102201000122110222020
41211221020323130111
53242003330140314
6122045400523353
710612354542666
oct1455110733425
9342630573866
10109138130709
11423156a1a43
121919a180559
13a3a3a9428a
1453d495136d
152c8b5edda9
hex196923b715

109138130709 has 8 divisors (see below), whose sum is σ = 148901635872. Its totient is φ = 71066689680.

The previous prime is 109138130701. The next prime is 109138130711. The reversal of 109138130709 is 907031831901.

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

It is not a de Polignac number, because 109138130709 - 23 = 109138130701 is a prime.

It is a super-2 number, since 2×1091381307092 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109138130701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423015882 + ... + 423016139.

It is an arithmetic number, because the mean of its divisors is an integer number (18612704484).

Almost surely, 2109138130709 is an apocalyptic number.

It is an amenable number.

109138130709 is a deficient number, since it is larger than the sum of its proper divisors (39763505163).

109138130709 is an equidigital number, since it uses as much as digits as its factorization.

109138130709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846032067.

The product of its (nonzero) digits is 40824, while the sum is 42.

The spelling of 109138130709 in words is "one hundred nine billion, one hundred thirty-eight million, one hundred thirty thousand, seven hundred nine".

Divisors: 1 3 43 129 846032021 2538096063 36379376903 109138130709