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9907745092 = 2271930896029
BaseRepresentation
bin10010011101000110…
…00011000101000100
3221120111011121011221
421032203003011010
5130242340320332
64315045210124
7500344305130
oct111643030504
927514147157
109907745092
114224733593
121b06100944
13c1b85907b
1469dbca3c0
153cec38297
hex24e8c3144

9907745092 has 48 divisors (see below), whose sum is σ = 20868624000. Its totient is φ = 4020724224.

The previous prime is 9907745047. The next prime is 9907745171. The reversal of 9907745092 is 2905477099.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640334 + ... + 1646362.

It is an arithmetic number, because the mean of its divisors is an integer number (434763000).

Almost surely, 29907745092 is an apocalyptic number.

It is an amenable number.

9907745092 is an abundant number, since it is smaller than the sum of its proper divisors (10960878908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9907745092 is a wasteful number, since it uses less digits than its factorization.

9907745092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148 (or 9146 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 9907745092 is about 99537.6566531481. The cubic root of 9907745092 is about 2147.7889721329.

The spelling of 9907745092 in words is "nine billion, nine hundred seven million, seven hundred forty-five thousand, ninety-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 3089 6029 6178 12058 12356 21623 24116 42203 43246 58691 84406 86492 114551 117382 168812 229102 234764 410837 458204 801857 821674 1603714 1643348 3207428 18623581 37247162 74494324 130365067 260730134 353848039 521460268 707696078 1415392156 2476936273 4953872546 9907745092