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3107645256109 = 53313187331681
BaseRepresentation
bin101101001110001110000…
…101110111000110101101
3102000002101010210212110111
4231032032011313012231
5401403424141143414
610335344342540021
7440343226560022
oct55161605670655
912002333725414
103107645256109
11a98a43804959
12422348137611
13197085228214
14aa5a747b549
1555c84c548c4
hex2d38e1771ad

3107645256109 has 8 divisors (see below), whose sum is σ = 3176395999992. Its totient is φ = 3039269176320.

The previous prime is 3107645256097. The next prime is 3107645256127. The reversal of 3107645256109 is 9016525467013.

It can be written as a sum of positive squares in 4 ways, for example, as 426311055625 + 2681334200484 = 652925^2 + 1637478^2 .

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

It is not a de Polignac number, because 3107645256109 - 25 = 3107645256077 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 (3107645256169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93649252 + ... + 93682429.

It is an arithmetic number, because the mean of its divisors is an integer number (397049499999).

Almost surely, 23107645256109 is an apocalyptic number.

It is an amenable number.

3107645256109 is a deficient number, since it is larger than the sum of its proper divisors (68750743883).

3107645256109 is a wasteful number, since it uses less digits than its factorization.

3107645256109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187332047.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 3107645256109 in words is "three trillion, one hundred seven billion, six hundred forty-five million, two hundred fifty-six thousand, one hundred nine".

Divisors: 1 53 313 16589 187331681 9928579093 58634816153 3107645256109