Search a number
-
+
826788000720 = 243511386381071
BaseRepresentation
bin11000000100000000110…
…01111011001111010000
32221001002021111011200110
430002000121323033100
5102021230212010340
61431453212121320
7113506402023333
oct14020031731720
92831067434613
10826788000720
112997032aa170
121142a1766240
135cc72a61386
142c033d8061a
151678ee4c680
hexc08067b3d0

826788000720 has 160 divisors (see below), whose sum is σ = 2796804993024. Its totient is φ = 200379097600.

The previous prime is 826788000691. The next prime is 826788000721. The reversal of 826788000720 is 27000887628.

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

It is a self number, because there is not a number n which added to its sum of digits gives 826788000720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826788000721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10157785 + ... + 10238855.

Almost surely, 2826788000720 is an apocalyptic number.

826788000720 is a gapful number since it is divisible by the number (80) 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 826788000720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398402496512).

826788000720 is an abundant number, since it is smaller than the sum of its proper divisors (1970016992304).

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

826788000720 is a wasteful number, since it uses less digits than its factorization.

826788000720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84961 (or 84955 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 826788000720 in words is "eight hundred twenty-six billion, seven hundred eighty-eight million, seven hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 3863 7726 11589 15452 19315 23178 30904 38630 42493 46356 57945 61808 77260 81071 84986 92712 115890 127479 154520 162142 169972 185424 212465 231780 243213 254958 309040 324284 339944 405355 424930 463560 486426 509916 637395 648568 679888 810710 849860 891781 927120 972852 1019832 1216065 1274790 1297136 1621420 1699720 1783562 1945704 2039664 2432130 2549580 2675343 3242840 3399440 3567124 3891408 4458905 4864260 5099160 5350686 6485680 7134248 8917810 9728520 10198320 10701372 13376715 14268496 17835620 19457040 21402744 26753430 35671240 42805488 53506860 71342480 107013720 214027440 313177273 626354546 939531819 1252709092 1565886365 1879063638 2505418184 3131772730 3444950003 3758127276 4697659095 5010836368 6263545460 6889900006 7516254552 9395318190 10334850009 12527090920 13779800012 15032509104 17224750015 18790636380 20669700018 25054181840 27559600024 34449500030 37581272760 41339400036 51674250045 55119200048 68899000060 75162545520 82678800072 103348500090 137798000120 165357600144 206697000180 275596000240 413394000360 826788000720