Search a number
-
+
8268822828640 = 2551120272317807
BaseRepresentation
bin111100001010011110000…
…1111110101011001100000
31002021111021110222000201001
41320110330033311121200
52040434022121004030
625330351134121344
71512255065234353
oct170247417653140
932244243860631
108268822828640
1126a8873a12210
12b16678050254
1347c9924ca27a
142082dacaa29a
15e51574bdcca
hex7853c3f5660

8268822828640 has 96 divisors (see below), whose sum is σ = 21321534334464. Its totient is φ = 3005359971840.

The previous prime is 8268822828601. The next prime is 8268822828659. The reversal of 8268822828640 is 468282288628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2408617 + ... + 4726423.

It is an arithmetic number, because the mean of its divisors is an integer number (222099315984).

Almost surely, 28268822828640 is an apocalyptic number.

8268822828640 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 8268822828640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10660767167232).

8268822828640 is an abundant number, since it is smaller than the sum of its proper divisors (13052711505824).

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

8268822828640 is a wasteful number, since it uses less digits than its factorization.

8268822828640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319860 (or 2319852 counting only the distinct ones).

The product of its (nonzero) digits is 75497472, while the sum is 64.

The spelling of 8268822828640 in words is "eight trillion, two hundred sixty-eight billion, eight hundred twenty-two million, eight hundred twenty-eight thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 2027 4054 8108 10135 16216 20270 22297 32432 40540 44594 64864 81080 89188 111485 162160 178376 222970 324320 356752 445940 713504 891880 1783760 2317807 3567520 4635614 9271228 11589035 18542456 23178070 25495877 37084912 46356140 50991754 74169824 92712280 101983508 127479385 185424560 203967016 254958770 370849120 407934032 509917540 815868064 1019835080 2039670160 4079340320 4698194789 9396389578 18792779156 23490973945 37585558312 46981947890 51680142679 75171116624 93963895780 103360285358 150342233248 187927791560 206720570716 258400713395 375855583120 413441141432 516801426790 751711166240 826882282864 1033602853580 1653764565728 2067205707160 4134411414320 8268822828640