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10001003808 = 253238943607
BaseRepresentation
bin10010101000001101…
…10011010100100000
3221210222122122002110
421110012303110200
5130440224110213
64332220115320
7502556062335
oct112406632440
927728578073
1010001003808
114272340204
121b31395b40
13c34c7c343
146ac34498c
153d800a5c3
hex2541b3520

10001003808 has 48 divisors (see below), whose sum is σ = 26264226240. Its totient is φ = 3332196096.

The previous prime is 10001003791. The next prime is 10001003827. The reversal of 10001003808 is 80830010001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 207541 + ... + 251147.

It is an arithmetic number, because the mean of its divisors is an integer number (547171380).

Almost surely, 210001003808 is an apocalyptic number.

It is an amenable number.

10001003808 is an abundant number, since it is smaller than the sum of its proper divisors (16263222432).

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

10001003808 is a wasteful number, since it uses less digits than its factorization.

10001003808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46009 (or 46001 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 10001003808 its reverse (80830010001), we get a palindrome (90831013809).

The spelling of 10001003808 in words is "ten billion, one million, three thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2389 4778 7167 9556 14334 19112 28668 38224 43607 57336 76448 87214 114672 130821 174428 229344 261642 348856 523284 697712 1046568 1395424 2093136 4186272 104177123 208354246 312531369 416708492 625062738 833416984 1250125476 1666833968 2500250952 3333667936 5000501904 10001003808