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10144456540 = 225507222827
BaseRepresentation
bin10010111001010100…
…00001111101011100
3222011222120210020121
421130222001331130
5131233440102130
64354342524324
7506250313021
oct113452017534
928158523217
1010144456540
114336310389
121b714366a4
13c588c810a
146c3407548
153e58e4d7a
hex25ca81f5c

10144456540 has 12 divisors (see below), whose sum is σ = 21303358776. Its totient is φ = 4057782608.

The previous prime is 10144456513. The next prime is 10144456559. The reversal of 10144456540 is 4565444101.

10144456540 is digitally balanced in base 2, 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 = 10144456496 and 10144456505.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 253611394 + ... + 253611433.

It is an arithmetic number, because the mean of its divisors is an integer number (1775279898).

Almost surely, 210144456540 is an apocalyptic number.

10144456540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10144456540 is an abundant number, since it is smaller than the sum of its proper divisors (11158902236).

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

10144456540 is a wasteful number, since it uses less digits than its factorization.

10144456540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507222836 (or 507222834 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 10144456540 in words is "ten billion, one hundred forty-four million, four hundred fifty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 507222827 1014445654 2028891308 2536114135 5072228270 10144456540