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2013852560 = 245195212543
BaseRepresentation
bin111100000001000…
…1111001110010000
312012100102022100212
41320002033032100
513111021240220
6531455503252
7100622315156
oct17002171620
95170368325
102013852560
11943849265
12482527b28
132612b7645
141516633d6
15bbbec0c5
hex7808f390

2013852560 has 80 divisors (see below), whose sum is σ = 4940040960. Its totient is φ = 761379840.

The previous prime is 2013852557. The next prime is 2013852563. The reversal of 2013852560 is 652583102.

It is an interprime number because it is at equal distance from previous prime (2013852557) and next prime (2013852563).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2013852563) by changing a digit.

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, 790649 + ... + 793191.

It is an arithmetic number, because the mean of its divisors is an integer number (61750512).

Almost surely, 22013852560 is an apocalyptic number.

2013852560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2013852560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2470020480).

2013852560 is an abundant number, since it is smaller than the sum of its proper divisors (2926188400).

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

2013852560 is a wasteful number, since it uses less digits than its factorization.

2013852560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096 (or 3090 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2013852560 is about 44875.9686246436. The cubic root of 2013852560 is about 1262.8232150926.

The spelling of 2013852560 in words is "two billion, thirteen million, eight hundred fifty-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 521 760 1042 1520 2084 2543 2605 4168 5086 5210 8336 9899 10172 10420 12715 19798 20344 20840 25430 39596 40688 41680 48317 49495 50860 79192 96634 98990 101720 158384 193268 197980 203440 241585 386536 395960 483170 773072 791920 966340 1324903 1932680 2649806 3865360 5299612 6624515 10599224 13249030 21198448 25173157 26498060 50346314 52996120 100692628 105992240 125865785 201385256 251731570 402770512 503463140 1006926280 2013852560