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10454550421 = 747148921341
BaseRepresentation
bin10011011110010001…
…11100011110010101
3222222121002012002011
421233020330132111
5132402331103141
64445221144221
7520034132560
oct115710743625
928877065064
1010454550421
114485359517
12203925b071
13ca7c1b413
147126874d7
15412c49881
hex26f23c795

10454550421 has 16 divisors (see below), whose sum is σ = 12211038720. Its totient is φ = 8764081920.

The previous prime is 10454550413. The next prime is 10454550473. The reversal of 10454550421 is 12405545401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10454550421 - 23 = 10454550413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10454550121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479211 + ... + 500551.

It is an arithmetic number, because the mean of its divisors is an integer number (763189920).

Almost surely, 210454550421 is an apocalyptic number.

It is an amenable number.

10454550421 is a deficient number, since it is larger than the sum of its proper divisors (1756488299).

10454550421 is a wasteful number, since it uses less digits than its factorization.

10454550421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22884.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 10454550421 in words is "ten billion, four hundred fifty-four million, five hundred fifty thousand, four hundred twenty-one".

Divisors: 1 7 47 329 1489 10423 21341 69983 149387 489881 1003027 7021189 31776749 222437243 1493507203 10454550421