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2214131455 = 52325317607
BaseRepresentation
bin1000001111111000…
…1111011011111111
312201022021112100201
42003332033123333
514013304201310
61003412304331
7105603543514
oct20376173377
95638245321
102214131455
11a36901808
125196120a7
1329393b873
141700b930b
15ce5ade3a
hex83f8f6ff

2214131455 has 16 divisors (see below), whose sum is σ = 2773937664. Its totient is φ = 1693399840.

The previous prime is 2214131443. The next prime is 2214131461. The reversal of 2214131455 is 5541314122.

It is not a de Polignac number, because 2214131455 - 27 = 2214131327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287262 + ... + 294868.

It is an arithmetic number, because the mean of its divisors is an integer number (173371104).

Almost surely, 22214131455 is an apocalyptic number.

2214131455 is a deficient number, since it is larger than the sum of its proper divisors (559806209).

2214131455 is a wasteful number, since it uses less digits than its factorization.

2214131455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166.

The product of its digits is 4800, while the sum is 28.

The square root of 2214131455 is about 47054.5582807872. The cubic root of 2214131455 is about 1303.3702403336.

Adding to 2214131455 its reverse (5541314122), we get a palindrome (7755445577).

The spelling of 2214131455 in words is "two billion, two hundred fourteen million, one hundred thirty-one thousand, four hundred fifty-five".

Divisors: 1 5 23 115 2531 7607 12655 38035 58213 174961 291065 874805 19253317 96266585 442826291 2214131455