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214223465631 = 3748735275939
BaseRepresentation
bin1100011110000010110…
…1101010110010011111
3202110221121020121021210
43013200231222302133
512002212201400011
6242225104155503
721322441261560
oct3074055526237
9673847217253
10214223465631
118294061a47a
1235627008b93
1317280010026
14a523128167
15588bee96a6
hex31e0b6ac9f

214223465631 has 32 divisors (see below), whose sum is σ = 327253893120. Its totient is φ = 122106846816.

The previous prime is 214223465611. The next prime is 214223465633. The reversal of 214223465631 is 136564322412.

It is not a de Polignac number, because 214223465631 - 26 = 214223465567 is a prime.

It is a super-2 number, since 2×2142234656312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214223465631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214223465633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36067660 + ... + 36073598.

It is an arithmetic number, because the mean of its divisors is an integer number (10226684160).

Almost surely, 2214223465631 is an apocalyptic number.

214223465631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

214223465631 is a deficient number, since it is larger than the sum of its proper divisors (113030427489).

214223465631 is a wasteful number, since it uses less digits than its factorization.

214223465631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963.

The product of its digits is 207360, while the sum is 39.

The spelling of 214223465631 in words is "two hundred fourteen billion, two hundred twenty-three million, four hundred sixty-five thousand, six hundred thirty-one".

Divisors: 1 3 7 21 487 1461 3409 3527 5939 10227 10581 17817 24689 41573 74067 124719 1717649 2892293 5152947 8676879 12023543 20246051 20946853 36070629 60738153 62840559 146627971 439883913 10201117411 30603352233 71407821877 214223465631