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299388009856 = 2713179920679
BaseRepresentation
bin1000101101101001110…
…10100111110110000000
31001121202212100201002111
410112310322213312000
514401121312303411
6345311552025104
730426054044455
oct4266472476600
91047685321074
10299388009856
11105a737aa021
124a034532194
13223030c5670
14106c1b5782c
157bc3ac3721
hex45b4ea7d80

299388009856 has 32 divisors (see below), whose sum is σ = 642316827600. Its totient is φ = 138179080704.

The previous prime is 299388009829. The next prime is 299388009883. The reversal of 299388009856 is 658900883992.

It is an interprime number because it is at equal distance from previous prime (299388009829) and next prime (299388009883).

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 299388009791 and 299388009800.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 89958676 + ... + 89962003.

Almost surely, 2299388009856 is an apocalyptic number.

299388009856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

299388009856 is an abundant number, since it is smaller than the sum of its proper divisors (342928817744).

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

299388009856 is a wasteful number, since it uses less digits than its factorization.

299388009856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179920706 (or 179920694 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 67.

The spelling of 299388009856 in words is "two hundred ninety-nine billion, three hundred eighty-eight million, nine thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 416 832 1664 179920679 359841358 719682716 1439365432 2338968827 2878730864 4677937654 5757461728 9355875308 11514923456 18711750616 23029846912 37423501232 74847002464 149694004928 299388009856