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168118510740 = 223516033174763
BaseRepresentation
bin1001110010010010100…
…1001110010010010100
3121001221110122020001220
42130210221032102110
510223301314320430
6205122123050340
715101063522505
oct2344451162224
9531843566056
10168118510740
1165331575474
12286ba6709b0
1312b13204b2b
1481cbc2abac
15458e597110
hex2724a4e494

168118510740 has 48 divisors (see below), whose sum is σ = 470763883968. Its totient is φ = 44828550144.

The previous prime is 168118510739. The next prime is 168118510751. The reversal of 168118510740 is 47015811861.

168118510740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 168118510692 and 168118510701.

It is a congruent number.

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, 874599 + ... + 1049361.

It is an arithmetic number, because the mean of its divisors is an integer number (9807580916).

Almost surely, 2168118510740 is an apocalyptic number.

168118510740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168118510740 is an abundant number, since it is smaller than the sum of its proper divisors (302645373228).

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

168118510740 is a wasteful number, since it uses less digits than its factorization.

168118510740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190808 (or 190806 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 42.

The spelling of 168118510740 in words is "one hundred sixty-eight billion, one hundred eighteen million, five hundred ten thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 16033 32066 48099 64132 80165 96198 160330 174763 192396 240495 320660 349526 480990 524289 699052 873815 961980 1048578 1747630 2097156 2621445 3495260 5242890 10485780 2801975179 5603950358 8405925537 11207900716 14009875895 16811851074 28019751790 33623702148 42029627685 56039503580 84059255370 168118510740