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13825814880 = 253528803781
BaseRepresentation
bin11001110000001010…
…10011000101100000
31022200112201011111210
430320011103011200
5211303402034010
610203531110120
7666421326123
oct147005230540
938615634453
1013825814880
115955348399
12281a2a2340
1313c44c2967
149522d43ba
1555dbc7b20
hex338153160

13825814880 has 48 divisors (see below), whose sum is σ = 43551318384. Its totient is φ = 3686883840.

The previous prime is 13825814869. The next prime is 13825814887. The reversal of 13825814880 is 8841852831.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13825814887) 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 7 ways as a sum of consecutive naturals, for example, 14401411 + ... + 14402370.

It is an arithmetic number, because the mean of its divisors is an integer number (907319133).

Almost surely, 213825814880 is an apocalyptic number.

13825814880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13825814880 is an abundant number, since it is smaller than the sum of its proper divisors (29725503504).

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

13825814880 is a wasteful number, since it uses less digits than its factorization.

13825814880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28803799 (or 28803791 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 48.

The spelling of 13825814880 in words is "thirteen billion, eight hundred twenty-five million, eight hundred fourteen thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 28803781 57607562 86411343 115215124 144018905 172822686 230430248 288037810 345645372 432056715 460860496 576075620 691290744 864113430 921720992 1152151240 1382581488 1728226860 2304302480 2765162976 3456453720 4608604960 6912907440 13825814880