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214431140412 = 223210169585743
BaseRepresentation
bin1100011110110100010…
…1111000101000111100
3202111111002000120112100
43013231011320220330
512003123332443122
6242301443305100
721330542422446
oct3075505705074
9674432016470
10214431140412
1182a37874625
123568467b190
13172b4053708
14a542947496
1558a036caac
hex31ed178a3c

214431140412 has 36 divisors (see below), whose sum is σ = 542088499680. Its totient is φ = 71469895872.

The previous prime is 214431140411. The next prime is 214431140423. The reversal of 214431140412 is 214041134412.

214431140412 is a `hidden beast` number, since 214 + 4 + 31 + 1 + 4 + 0 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214431140411) 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, 73213 + ... + 658955.

It is an arithmetic number, because the mean of its divisors is an integer number (15058013880).

Almost surely, 2214431140412 is an apocalyptic number.

It is an amenable number.

214431140412 is an abundant number, since it is smaller than the sum of its proper divisors (327657359268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214431140412 is a wasteful number, since it uses less digits than its factorization.

214431140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595922 (or 595917 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 214431140412 its reverse (214041134412), we get a palindrome (428472274824).

The spelling of 214431140412 in words is "two hundred fourteen billion, four hundred thirty-one million, one hundred forty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 10169 20338 30507 40676 61014 91521 122028 183042 366084 585743 1171486 1757229 2342972 3514458 5271687 7028916 10543374 21086748 5956420567 11912841134 17869261701 23825682268 35738523402 53607785103 71477046804 107215570206 214431140412