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54430402144 = 2531411338277
BaseRepresentation
bin110010101100010011…
…100000011001100000
312012111100101220211011
4302230103200121200
51342433140332034
641001024230304
73634556533036
oct625423403140
9165440356734
1054430402144
11210a15a7828
12a67076b394
1351958b8a61
1428c4cc0556
1516387d6864
hexcac4e0660

54430402144 has 48 divisors (see below), whose sum is σ = 113314674816. Its totient is φ = 25694899200.

The previous prime is 54430402139. The next prime is 54430402163. The reversal of 54430402144 is 44120403445.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628467 + ... + 709810.

It is an arithmetic number, because the mean of its divisors is an integer number (2360722392).

Almost surely, 254430402144 is an apocalyptic number.

It is an amenable number.

54430402144 is an abundant number, since it is smaller than the sum of its proper divisors (58884272672).

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

54430402144 is a wasteful number, since it uses less digits than its factorization.

54430402144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338359 (or 1338351 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 54430402144 its reverse (44120403445), we get a palindrome (98550805589).

The spelling of 54430402144 in words is "fifty-four billion, four hundred thirty million, four hundred two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 31 32 41 62 82 124 164 248 328 496 656 992 1271 1312 2542 5084 10168 20336 40672 1338277 2676554 5353108 10706216 21412432 41486587 42824864 54869357 82973174 109738714 165946348 219477428 331892696 438954856 663785392 877909712 1327570784 1700950067 1755819424 3401900134 6803800268 13607600536 27215201072 54430402144