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293885133920 = 2557262397441
BaseRepresentation
bin1000100011011001110…
…10110100010001100000
31001002120100201122102122
410101230322310101200
514303334043241140
6343001534203412
730142514264420
oct4215472642140
91032510648378
10293885133920
111036aa550974
1248b59653568
1321937015961
141031cd92480
1579a0936ab5
hex446ceb4460

293885133920 has 48 divisors (see below), whose sum is σ = 793489864608. Its totient is φ = 100760616960.

The previous prime is 293885133887. The next prime is 293885133929. The reversal of 293885133920 is 29331588392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (293885133929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131197601 + ... + 131199840.

It is an arithmetic number, because the mean of its divisors is an integer number (16531038846).

Almost surely, 2293885133920 is an apocalyptic number.

293885133920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

293885133920 is an abundant number, since it is smaller than the sum of its proper divisors (499604730688).

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

293885133920 is a wasteful number, since it uses less digits than its factorization.

293885133920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262397463 (or 262397455 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 293885133920 in words is "two hundred ninety-three billion, eight hundred eighty-five million, one hundred thirty-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 262397441 524794882 1049589764 1311987205 1836782087 2099179528 2623974410 3673564174 4198359056 5247948820 7347128348 8396718112 9183910435 10495897640 14694256696 18367820870 20991795280 29388513392 36735641740 41983590560 58777026784 73471283480 146942566960 293885133920