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48880866880 = 2651091401401
BaseRepresentation
bin101101100001100001…
…101101011001000000
311200011120222022121001
4231201201231121000
51300102000220010
634242222341344
73350212340656
oct554141553100
9150146868531
1048880866880
1119803a7a84a
12958212a854
1347bcc50391
142519c50dd6
1514114cec3a
hexb6186d640

48880866880 has 56 divisors (see below), whose sum is σ = 117465515640. Its totient is φ = 19372953600.

The previous prime is 48880866809. The next prime is 48880866883. The reversal of 48880866880 is 8866808884.

It can be written as a sum of positive squares in 4 ways, for example, as 8675804736 + 40205062144 = 93144^2 + 200512^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (48880866883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665821 + ... + 735580.

Almost surely, 248880866880 is an apocalyptic number.

48880866880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48880866880 is an abundant number, since it is smaller than the sum of its proper divisors (68584648760).

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

48880866880 is a wasteful number, since it uses less digits than its factorization.

48880866880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401527 (or 1401517 counting only the distinct ones).

The product of its (nonzero) digits is 37748736, while the sum is 64.

The spelling of 48880866880 in words is "forty-eight billion, eight hundred eighty million, eight hundred sixty-six thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 109 160 218 320 436 545 872 1090 1744 2180 3488 4360 6976 8720 17440 34880 1401401 2802802 5605604 7007005 11211208 14014010 22422416 28028020 44844832 56056040 89689664 112112080 152752709 224224160 305505418 448448320 611010836 763763545 1222021672 1527527090 2444043344 3055054180 4888086688 6110108360 9776173376 12220216720 24440433440 48880866880