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52551121424 = 2419172865531
BaseRepresentation
bin110000111100010010…
…100111101000010000
312000122101012120022112
4300330102213220100
51330111041341144
640050332524452
73540160106354
oct607422475020
9160571176275
1052551121424
112031781336a
12a227320728
134c5645ab29
14278748b464
15157881c99e
hexc3c4a7a10

52551121424 has 20 divisors (see below), whose sum is σ = 107176629840. Its totient is φ = 24892636320.

The previous prime is 52551121421. The next prime is 52551121439. The reversal of 52551121424 is 42412115525.

It is not an unprimeable number, because it can be changed into a prime (52551121421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86432462 + ... + 86433069.

It is an arithmetic number, because the mean of its divisors is an integer number (5358831492).

Almost surely, 252551121424 is an apocalyptic number.

It is an amenable number.

52551121424 is an abundant number, since it is smaller than the sum of its proper divisors (54625508416).

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

52551121424 is a wasteful number, since it uses less digits than its factorization.

52551121424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172865558 (or 172865552 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

Adding to 52551121424 its reverse (42412115525), we get a palindrome (94963236949).

The spelling of 52551121424 in words is "fifty-two billion, five hundred fifty-one million, one hundred twenty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 172865531 345731062 691462124 1382924248 2765848496 3284445089 6568890178 13137780356 26275560712 52551121424