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542204522420 = 2251113118813481
BaseRepresentation
bin1111110001111011110…
…10000110111110110100
31220211112011110120222112
413320331322012332310
532340413324204140
61053030232350152
754113222253251
oct7707572067664
91824464416875
10542204522420
11199a473548a0
12890bb245358
133c18bb56272
141c3584c8428
15e185e2bc65
hex7e3de86fb4

542204522420 has 48 divisors (see below), whose sum is σ = 1251623330496. Its totient is φ = 195660192000.

The previous prime is 542204522393. The next prime is 542204522449. The reversal of 542204522420 is 24225402245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9377921 + ... + 9435560.

It is an arithmetic number, because the mean of its divisors is an integer number (26075486052).

Almost surely, 2542204522420 is an apocalyptic number.

It is an amenable number.

542204522420 is an abundant number, since it is smaller than the sum of its proper divisors (709418808076).

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

542204522420 is a wasteful number, since it uses less digits than its factorization.

542204522420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813632 (or 18813630 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 542204522420 its reverse (24225402245), we get a palindrome (566429924665).

The spelling of 542204522420 in words is "five hundred forty-two billion, two hundred four million, five hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 131 220 262 524 655 1310 1441 2620 2882 5764 7205 14410 28820 18813481 37626962 75253924 94067405 188134810 206948291 376269620 413896582 827793164 1034741455 2069482910 2464566011 4138965820 4929132022 9858264044 12322830055 24645660110 27110226121 49291320220 54220452242 108440904484 135551130605 271102261210 542204522420