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213468154148 = 22172184661033
BaseRepresentation
bin1100011011001110110…
…0011000100100100100
3202101222221222210201102
43012303230120210210
511444140321413043
6242022123215232
721264640241354
oct3066354304444
9671887883642
10213468154148
1182593231807
1235456077518
131718c6a5a62
14a490ab2b64
155845a4d6b8
hex31b3b18924

213468154148 has 18 divisors (see below), whose sum is σ = 396836562066. Its totient is φ = 100455601408.

The previous prime is 213468154087. The next prime is 213468154183. The reversal of 213468154148 is 841451864312.

It can be written as a sum of positive squares in 3 ways, for example, as 37036232704 + 176431921444 = 192448^2 + 420038^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92329361 + ... + 92331672.

Almost surely, 2213468154148 is an apocalyptic number.

It is an amenable number.

213468154148 is a deficient number, since it is larger than the sum of its proper divisors (183368407918).

213468154148 is a wasteful number, since it uses less digits than its factorization.

213468154148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184661071 (or 184661052 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The spelling of 213468154148 in words is "two hundred thirteen billion, four hundred sixty-eight million, one hundred fifty-four thousand, one hundred forty-eight".

Divisors: 1 2 4 17 34 68 289 578 1156 184661033 369322066 738644132 3139237561 6278475122 12556950244 53367038537 106734077074 213468154148