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80270268544 = 2719102132327
BaseRepresentation
bin100101011000001111…
…0110001100010000000
321200012011200010202001
41022300132301202000
52303343142043134
6100513050233344
75541113011354
oct1126036614200
9250164603661
1080270268544
1131051523914
1213682425854
137753122c2b
143c56a0d464
15214c0a8414
hex12b07b1880

80270268544 has 64 divisors (see below), whose sum is σ = 168500001600. Its totient is φ = 37984343040.

The previous prime is 80270268523. The next prime is 80270268577. The reversal of 80270268544 is 44586207208.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 80270268494 and 80270268503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2466909 + ... + 2499235.

It is an arithmetic number, because the mean of its divisors is an integer number (2632812525).

Almost surely, 280270268544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80270268544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84250000800).

80270268544 is an abundant number, since it is smaller than the sum of its proper divisors (88229733056).

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

80270268544 is a wasteful number, since it uses less digits than its factorization.

80270268544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33381 (or 33369 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 80270268544 in words is "eighty billion, two hundred seventy million, two hundred sixty-eight thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 608 1021 1216 2042 2432 4084 8168 16336 19399 32327 32672 38798 64654 65344 77596 129308 130688 155192 258616 310384 517232 614213 620768 1034464 1228426 1241536 2068928 2456852 2483072 4137856 4913704 9827408 19654816 33005867 39309632 66011734 78619264 132023468 264046936 528093872 627111473 1056187744 1254222946 2112375488 2508445892 4224750976 5016891784 10033783568 20067567136 40135134272 80270268544