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180081068 = 221729531723
BaseRepresentation
bin10101011101111…
…01000110101100
3110112212001210012
422232331012230
5332100043233
625511432352
74314443456
oct1256750654
9415761705
10180081068
1192718632
12503856b8
132b401a5b
1419cb92d6
1510c22548
hexabbd1ac

180081068 has 48 divisors (see below), whose sum is σ = 351902880. Its totient is φ = 80231424.

The previous prime is 180081067. The next prime is 180081071. The reversal of 180081068 is 860180081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (180081067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103655 + ... + 105377.

It is an arithmetic number, because the mean of its divisors is an integer number (7331310).

Almost surely, 2180081068 is an apocalyptic number.

It is an amenable number.

180081068 is a deficient number, since it is larger than the sum of its proper divisors (171821812).

180081068 is a wasteful number, since it uses less digits than its factorization.

180081068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 180081068 is about 13419.4287508821. The cubic root of 180081068 is about 564.7063689496.

The spelling of 180081068 in words is "one hundred eighty million, eighty-one thousand, sixty-eight".

Divisors: 1 2 4 17 29 34 53 58 68 106 116 212 493 901 986 1537 1723 1802 1972 3074 3446 3604 6148 6892 26129 29291 49967 52258 58582 91319 99934 104516 117164 182638 199868 365276 849439 1552423 1698878 2648251 3104846 3397756 5296502 6209692 10593004 45020267 90040534 180081068