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147818354540 = 22523321344249
BaseRepresentation
bin1000100110101010101…
…0010001011101101100
3112010112201022102220212
42021222222101131230
54410212444321130
6151523512201552
713452035165603
oct2115252213554
9463481272825
10147818354540
115776467567a
12247940992b8
1310c295a629c
147223b30a3a
153ca22dae95
hex226aa9176c

147818354540 has 24 divisors (see below), whose sum is σ = 323915004000. Its totient is φ = 56556587648.

The previous prime is 147818354507. The next prime is 147818354597. The reversal of 147818354540 is 45453818741.

It is a super-2 number, since 2×1478183545402 (a number of 23 digits) contains 22 as substring.

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, 160671665 + ... + 160672584.

It is an arithmetic number, because the mean of its divisors is an integer number (13496458500).

Almost surely, 2147818354540 is an apocalyptic number.

147818354540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147818354540 is an abundant number, since it is smaller than the sum of its proper divisors (176096649460).

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

147818354540 is a wasteful number, since it uses less digits than its factorization.

147818354540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321344281 (or 321344279 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 147818354540 in words is "one hundred forty-seven billion, eight hundred eighteen million, three hundred fifty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 321344249 642688498 1285376996 1606721245 3213442490 6426884980 7390917727 14781835454 29563670908 36954588635 73909177270 147818354540