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52454445426 = 2342371198281
BaseRepresentation
bin110000110110100001…
…110101000101110010
312000101122021220210000
4300312201311011302
51324411314223201
640033000450430
73534604300215
oct606641650562
9160348256700
1052454445426
1120278192249
12a1baa79a16
134c3c40c2b6
1427786c377c
1515700c2d86
hexc36875172

52454445426 has 80 divisors (see below), whose sum is σ = 124375160448. Its totient is φ = 16488964800.

The previous prime is 52454445367. The next prime is 52454445437. The reversal of 52454445426 is 62454445425.

52454445426 is a `hidden beast` number, since 5 + 24 + 544 + 45 + 42 + 6 = 666.

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 39 ways as a sum of consecutive naturals, for example, 165406 + ... + 363686.

Almost surely, 252454445426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52454445426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62187580224).

52454445426 is an abundant number, since it is smaller than the sum of its proper divisors (71920715022).

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

52454445426 is a wasteful number, since it uses less digits than its factorization.

52454445426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198389 (or 198380 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 45.

Subtracting 52454445426 from its reverse (62454445425), we obtain a palindrome (9999999999).

The spelling of 52454445426 in words is "fifty-two billion, four hundred fifty-four million, four hundred forty-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 71 81 138 142 162 207 213 414 426 621 639 1242 1278 1633 1863 1917 3266 3726 3834 4899 5751 9798 11502 14697 29394 44091 88182 132273 198281 264546 396562 594843 1189686 1784529 3569058 4560463 5353587 9120926 10707174 13681389 14077951 16060761 27362778 28155902 32121522 41044167 42233853 82088334 84467706 123132501 126701559 246265002 253403118 323792873 369397503 380104677 647585746 738795006 760209354 971378619 1140314031 1942757238 2280628062 2914135857 5828271714 8742407571 17484815142 26227222713 52454445426