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6880880820 = 22351153196709
BaseRepresentation
bin1100110100010000…
…11110100010110100
3122202112120221222210
412122020132202310
5103043001141240
63054441053420
7332341344012
oct63210364264
918675527883
106880880820
112a11094670
121400487270
13858729c18
14493bcd8b2
152a4139780
hex19a21e8b4

6880880820 has 96 divisors (see below), whose sum is σ = 21414637440. Its totient is φ = 1636610560.

The previous prime is 6880880819. The next prime is 6880880821. The reversal of 6880880820 is 280880886.

It is an interprime number because it is at equal distance from previous prime (6880880819) and next prime (6880880821).

It is a self number, because there is not a number n which added to its sum of digits gives 6880880820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880880821) 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, 63375 + ... + 133334.

It is an arithmetic number, because the mean of its divisors is an integer number (223069140).

Almost surely, 26880880820 is an apocalyptic number.

6880880820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6880880820 is an abundant number, since it is smaller than the sum of its proper divisors (14533756620).

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

6880880820 is a wasteful number, since it uses less digits than its factorization.

6880880820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196785 (or 196783 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 48.

The square root of 6880880820 is about 82951.0748574122. The cubic root of 6880880820 is about 1902.0182450503.

The spelling of 6880880820 in words is "six billion, eight hundred eighty million, eight hundred eighty thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 53 55 60 66 106 110 132 159 165 212 220 265 318 330 530 583 636 660 795 1060 1166 1590 1749 2332 2915 3180 3498 5830 6996 8745 11660 17490 34980 196709 393418 590127 786836 983545 1180254 1967090 2163799 2360508 2950635 3934180 4327598 5901270 6491397 8655196 10425577 10818995 11802540 12982794 20851154 21637990 25965588 31276731 32456985 41702308 43275980 52127885 62553462 64913970 104255770 114681347 125106924 129827940 156383655 208511540 229362694 312767310 344044041 458725388 573406735 625534620 688088082 1146813470 1376176164 1720220205 2293626940 3440440410 6880880820