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52416000781 = 894311366459
BaseRepresentation
bin110000110100001111…
…001011001100001101
312000021221221201122021
4300310033023030031
51324321444011111
640025104450141
73533626440544
oct606417131415
9160257851567
1052416000781
1120258514211
12a1aa019951
134c3446b6a1
14277355715b
15156ba2bd71
hexc343cb30d

52416000781 has 8 divisors (see below), whose sum is σ = 53127964800. Its totient is φ = 51706770720.

The previous prime is 52416000751. The next prime is 52416000797. The reversal of 52416000781 is 18700061425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52416000781 - 29 = 52416000269 is a prime.

It is a super-2 number, since 2×524160007812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52416000731) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 644871 + ... + 721588.

It is an arithmetic number, because the mean of its divisors is an integer number (6640995600).

Almost surely, 252416000781 is an apocalyptic number.

52416000781 is the 102388-th centered decagonal number.

It is an amenable number.

52416000781 is a deficient number, since it is larger than the sum of its proper divisors (711964019).

52416000781 is a wasteful number, since it uses less digits than its factorization.

52416000781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366979.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 52416000781 in words is "fifty-two billion, four hundred sixteen million, seven hundred eighty-one", and thus it is an aban number.

Divisors: 1 89 431 38359 1366459 121614851 588943829 52416000781