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214434442431 = 32112166004469
BaseRepresentation
bin1100011110110101001…
…0011110110010111111
3202111111022020100001100
43013231102132302333
512003130204124211
6242302042144143
721330612454356
oct3075522366277
9674438210040
10214434442431
1182a3971a470
12356857b2053
13172b493b681
14a54316699d
1558a07c1156
hex31ed49ecbf

214434442431 has 12 divisors (see below), whose sum is σ = 337896697320. Its totient is φ = 129960268080.

The previous prime is 214434442381. The next prime is 214434442459. The reversal of 214434442431 is 134244434412.

214434442431 is a `hidden beast` number, since 2 + 144 + 3 + 44 + 42 + 431 = 666.

It is not a de Polignac number, because 214434442431 - 26 = 214434442367 is a prime.

It is a super-2 number, since 2×2144344424312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214434442531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1083002136 + ... + 1083002333.

It is an arithmetic number, because the mean of its divisors is an integer number (28158058110).

Almost surely, 2214434442431 is an apocalyptic number.

214434442431 is a deficient number, since it is larger than the sum of its proper divisors (123462254889).

214434442431 is a wasteful number, since it uses less digits than its factorization.

214434442431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166004486 (or 2166004483 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 214434442431 its reverse (134244434412), we get a palindrome (348678876843).

The spelling of 214434442431 in words is "two hundred fourteen billion, four hundred thirty-four million, four hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 3 9 11 33 99 2166004469 6498013407 19494040221 23826049159 71478147477 214434442431