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54807000080 = 2457661148063
BaseRepresentation
bin110011000010110000…
…000111010000010000
312020110121001002001212
4303002300013100100
51344221043000310
641102240115252
73650111546150
oct630260072020
9166417032055
1054807000080
1121275139398
12a756905b28
135225925581
14291cd12760
15165b8c6205
hexcc2c07410

54807000080 has 80 divisors (see below), whose sum is σ = 145851331584. Its totient is φ = 18762416640.

The previous prime is 54807000041. The next prime is 54807000097. The reversal of 54807000080 is 8000070845.

It is a tau number, because it is divible by the number of its divisors (80).

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, 296129 + ... + 444191.

Almost surely, 254807000080 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 54807000080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72925665792).

54807000080 is an abundant number, since it is smaller than the sum of its proper divisors (91044331504).

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

54807000080 is a wasteful number, since it uses less digits than its factorization.

54807000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148744 (or 148738 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The spelling of 54807000080 in words is "fifty-four billion, eight hundred seven million, eighty", and thus it is an aban number.

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 661 1322 2644 3305 4627 5288 6610 9254 10576 13220 18508 23135 26440 37016 46270 52880 74032 92540 148063 185080 296126 370160 592252 740315 1036441 1184504 1480630 2072882 2369008 2961260 4145764 5182205 5922520 8291528 10364410 11845040 16583056 20728820 41457640 82915280 97869643 195739286 391478572 489348215 685087501 782957144 978696430 1370175002 1565914288 1957392860 2740350004 3425437505 3914785720 5480700008 6850875010 7829571440 10961400016 13701750020 27403500040 54807000080