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503220386873 = 10918672472791
BaseRepresentation
bin1110101001010100100…
…01011011110000111001
31210002220021221022112102
413110222101123300321
531221043404334443
61023102023153145
751233161466351
oct7245221336071
91702807838472
10503220386873
11184461875856
128163b5a57b5
13385b83a6b39
141a4dabd7b61
15d15370bcb8
hex752a45bc39

503220386873 has 8 divisors (see below), whose sum is σ = 508109300160. Its totient is φ = 498336423120.

The previous prime is 503220386863. The next prime is 503220386923. The reversal of 503220386873 is 378683022305.

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 503220386873 - 226 = 503153278009 is a prime.

It is a super-2 number, since 2×5032203868732 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503220386833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032893 + ... + 1439898.

It is an arithmetic number, because the mean of its divisors is an integer number (63513662520).

Almost surely, 2503220386873 is an apocalyptic number.

It is an amenable number.

503220386873 is a deficient number, since it is larger than the sum of its proper divisors (4888913287).

503220386873 is a wasteful number, since it uses less digits than its factorization.

503220386873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474767.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 503220386873 in words is "five hundred three billion, two hundred twenty million, three hundred eighty-six thousand, eight hundred seventy-three".

Divisors: 1 109 1867 203503 2472791 269534219 4616700797 503220386873