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308638916714 = 22947113220439
BaseRepresentation
bin1000111110111000101…
…00000010000001101010
31002111122120120110121102
410133130110002001222
520024043030313324
6353441535041402
731204234335422
oct4373424020152
91074576513542
10308638916714
11109990693297
124b996670262
132314884504b
1410d1c603482
158065d12dae
hex47dc50206a

308638916714 has 16 divisors (see below), whose sum is σ = 489112300800. Its totient is φ = 145827924144.

The previous prime is 308638916687. The next prime is 308638916723. The reversal of 308638916714 is 417619836803.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 308638916714.

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, 56607494 + ... + 56612945.

It is an arithmetic number, because the mean of its divisors is an integer number (30569518800).

Almost surely, 2308638916714 is an apocalyptic number.

308638916714 is a deficient number, since it is larger than the sum of its proper divisors (180473384086).

308638916714 is a wasteful number, since it uses less digits than its factorization.

308638916714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113220517.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 308638916714 in words is "three hundred eight billion, six hundred thirty-eight million, nine hundred sixteen thousand, seven hundred fourteen".

Divisors: 1 2 29 47 58 94 1363 2726 113220439 226440878 3283392731 5321360633 6566785462 10642721266 154319458357 308638916714