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42502353215 = 571214352949
BaseRepresentation
bin100111100101010101…
…100111000100111111
311001201001200020210012
4213211111213010333
51144021100300330
631305244533435
73033151020140
oct474525470477
9131631606705
1042502353215
111703051a053
1282a1b5127b
134014626b3a
1420b2a71ac7
15118b529c95
hex9e556713f

42502353215 has 8 divisors (see below), whose sum is σ = 58288941600. Its totient is φ = 29144470752.

The previous prime is 42502353169. The next prime is 42502353247. The reversal of 42502353215 is 51235320524.

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 42502353215 - 214 = 42502336831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607176440 + ... + 607176509.

It is an arithmetic number, because the mean of its divisors is an integer number (7286117700).

Almost surely, 242502353215 is an apocalyptic number.

42502353215 is a deficient number, since it is larger than the sum of its proper divisors (15786588385).

42502353215 is a wasteful number, since it uses less digits than its factorization.

42502353215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214352961.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 42502353215 its reverse (51235320524), we get a palindrome (93737673739).

The spelling of 42502353215 in words is "forty-two billion, five hundred two million, three hundred fifty-three thousand, two hundred fifteen".

Divisors: 1 5 7 35 1214352949 6071764745 8500470643 42502353215