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56143387184 = 2415832216653
BaseRepresentation
bin110100010010011010…
…000001101000110000
312100220201200120112112
4310102122001220300
51404440201342214
641443015344452
74025166626363
oct642232015060
9170821616475
1056143387184
11218a0529845
12aa6a382128
1353a9760781
142a085c60da
1516d8da2a3e
hexd12681a30

56143387184 has 20 divisors (see below), whose sum is σ = 108846578016. Its totient is φ = 28053947712.

The previous prime is 56143387163. The next prime is 56143387189. The reversal of 56143387184 is 48178334165.

It is a super-3 number, since 3×561433871843 (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56143387189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082999 + ... + 1133654.

Almost surely, 256143387184 is an apocalyptic number.

It is an amenable number.

56143387184 is a deficient number, since it is larger than the sum of its proper divisors (52703190832).

56143387184 is a wasteful number, since it uses less digits than its factorization.

56143387184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218244 (or 2218238 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The spelling of 56143387184 in words is "fifty-six billion, one hundred forty-three million, three hundred eighty-seven thousand, one hundred eighty-four".

Divisors: 1 2 4 8 16 1583 3166 6332 12664 25328 2216653 4433306 8866612 17733224 35466448 3508961699 7017923398 14035846796 28071693592 56143387184