Search a number
-
+
825807708768 = 25373733212987
BaseRepresentation
bin11000000010001011111…
…10011010001001100000
32220221112221220011221010
430001011332122021200
5102012223233140033
61431212033100520
7113443166464320
oct14010576321140
92827487804833
10825807708768
1129924aa17329
121140693b7740
135cb47934773
142bd7dac3280
1516733d60863
hexc045f9a260

825807708768 has 96 divisors (see below), whose sum is σ = 2544380584704. Its totient is φ = 229568159232.

The previous prime is 825807708743. The next prime is 825807708769. The reversal of 825807708768 is 867807708528.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 825807708699 and 825807708708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825807708769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16581630 + ... + 16631357.

It is an arithmetic number, because the mean of its divisors is an integer number (26503964424).

Almost surely, 2825807708768 is an apocalyptic number.

It is an amenable number.

825807708768 is an abundant number, since it is smaller than the sum of its proper divisors (1718572875936).

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

825807708768 is a wasteful number, since it uses less digits than its factorization.

825807708768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33213044 (or 33213036 counting only the distinct ones).

The product of its (nonzero) digits is 84295680, while the sum is 66.

The spelling of 825807708768 in words is "eight hundred twenty-five billion, eight hundred seven million, seven hundred eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 42 48 56 74 84 96 111 112 148 168 222 224 259 296 336 444 518 592 672 777 888 1036 1184 1554 1776 2072 3108 3552 4144 6216 8288 12432 24864 33212987 66425974 99638961 132851948 199277922 232490909 265703896 398555844 464981818 531407792 697472727 797111688 929963636 1062815584 1228880519 1394945454 1594223376 1859927272 2457761038 2789890908 3188446752 3686641557 3719854544 4915522076 5579781816 7373283114 7439709088 8602163633 9831044152 11159563632 14746566228 17204327266 19662088304 22319127264 25806490899 29493132456 34408654532 39324176608 51612981798 58986264912 68817309064 103225963596 117972529824 137634618128 206451927192 275269236256 412903854384 825807708768