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1080060080 = 245119712653
BaseRepresentation
bin100000001100000…
…0110100010110000
32210021022201220012
41000120012202300
54202443410310
6255101234052
735523234131
oct10030064260
92707281805
101080060080
11504736140
12261862928
131429bba08
14a362bc88
1564c47c05
hex406068b0

1080060080 has 80 divisors (see below), whose sum is σ = 2767885344. Its totient is φ = 388669440.

The previous prime is 1080060053. The next prime is 1080060097. The reversal of 1080060080 is 800600801.

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, 79034 + ... + 91686.

Almost surely, 21080060080 is an apocalyptic number.

1080060080 is a gapful number since it is divisible by the number (10) 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 1080060080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383942672).

1080060080 is an abundant number, since it is smaller than the sum of its proper divisors (1687825264).

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

1080060080 is a wasteful number, since it uses less digits than its factorization.

1080060080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12774 (or 12768 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1080060080 is about 32864.2675256881. The cubic root of 1080060080 is about 1026.0045927190.

Adding to 1080060080 its reverse (800600801), we get a palindrome (1880660881).

The spelling of 1080060080 in words is "one billion, eighty million, sixty thousand, eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 97 110 176 194 220 388 440 485 776 880 970 1067 1552 1940 2134 3880 4268 5335 7760 8536 10670 12653 17072 21340 25306 42680 50612 63265 85360 101224 126530 139183 202448 253060 278366 506120 556732 695915 1012240 1113464 1227341 1391830 2226928 2454682 2783660 4909364 5567320 6136705 9818728 11134640 12273410 13500751 19637456 24546820 27001502 49093640 54003004 67503755 98187280 108006008 135007510 216012016 270015020 540030040 1080060080