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56144020014 = 23214332176631
BaseRepresentation
bin110100010010011100…
…011100001000101110
312100220202212201121200
4310102130130020232
51404440332120024
641443041110330
74025205203355
oct642234341056
9170822781550
1056144020014
11218a0921245
12aa6a6283a6
1353a9922824
142a0870c99c
1516d8e7a2c9
hexd1271c22e

56144020014 has 24 divisors (see below), whose sum is σ = 121730321232. Its totient is φ = 18701604960.

The previous prime is 56144020013. The next prime is 56144020057. The reversal of 56144020014 is 41002044165.

56144020014 is a `hidden beast` number, since 5 + 6 + 1 + 440 + 200 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 56144020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56144020013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1062522 + ... + 1114109.

It is an arithmetic number, because the mean of its divisors is an integer number (5072096718).

Almost surely, 256144020014 is an apocalyptic number.

56144020014 is an abundant number, since it is smaller than the sum of its proper divisors (65586301218).

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

56144020014 is a wasteful number, since it uses less digits than its factorization.

56144020014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178072 (or 2178069 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 56144020014 its reverse (41002044165), we get a palindrome (97146064179).

The spelling of 56144020014 in words is "fifty-six billion, one hundred forty-four million, twenty thousand, fourteen".

Divisors: 1 2 3 6 9 18 1433 2866 4299 8598 12897 25794 2176631 4353262 6529893 13059786 19589679 39179358 3119112223 6238224446 9357336669 18714673338 28072010007 56144020014