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108664228725 = 35213839531409
BaseRepresentation
bin110010100110011100…
…1001000101101110101
3101101110222220202122220
41211030321020231311
53240021020304400
6121530351312553
710564541463363
oct1451471105565
9341428822586
10108664228725
11420a2140408
121908751b759
13a3298490c0
14538ba30633
152c5ebdd7a0
hex194ce48b75

108664228725 has 96 divisors (see below), whose sum is σ = 196153695360. Its totient is φ = 52758773760.

The previous prime is 108664228723. The next prime is 108664228819. The reversal of 108664228725 is 527822466801.

It is not a de Polignac number, because 108664228725 - 21 = 108664228723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108664228723) 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 95 ways as a sum of consecutive naturals, for example, 77120821 + ... + 77122229.

It is an arithmetic number, because the mean of its divisors is an integer number (2043267660).

Almost surely, 2108664228725 is an apocalyptic number.

108664228725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108664228725 is a deficient number, since it is larger than the sum of its proper divisors (87489466635).

108664228725 is a wasteful number, since it uses less digits than its factorization.

108664228725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2466 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 108664228725 in words is "one hundred eight billion, six hundred sixty-four million, two hundred twenty-eight thousand, seven hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 83 195 249 325 415 953 975 1079 1245 1409 2075 2859 3237 4227 4765 5395 6225 7045 12389 14295 16185 18317 21135 23825 26975 35225 37167 54951 61945 71475 79099 80925 91585 105675 116947 185835 237297 274755 309725 350841 395495 457925 584735 929175 1028287 1186485 1342777 1373775 1520311 1754205 1977475 2923675 3084861 4028331 4560933 5141435 5932425 6713885 7601555 8771025 15424305 17456101 20141655 22804665 25707175 33569425 38007775 52368303 77121525 87280505 100708275 111450491 114023325 261841515 334351473 436402525 557252455 1309207575 1448856383 1671757365 2786262275 4346569149 7244281915 8358786825 21732845745 36221409575 108664228725