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1214140232421 = 32211896371333
BaseRepresentation
bin10001101010110000011…
…001011011001011100101
311022001220112001100021100
4101222300121123023211
5124343024344414141
62325433542510313
7153501345460314
oct21526031331345
94261815040240
101214140232421
11428a06565a96
12177385135399
138a653c8593c
1442a9c4a627b
15218b12be0b6
hex11ab065b2e5

1214140232421 has 24 divisors (see below), whose sum is σ = 1762291061856. Its totient is φ = 805489503840.

The previous prime is 1214140232401. The next prime is 1214140232453. The reversal of 1214140232421 is 1242320414121.

1214140232421 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 1 + 4 + 0 + 232 + 421 = 666.

It is not a de Polignac number, because 1214140232421 - 213 = 1214140224229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214140232401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16985071 + ... + 17056403.

It is an arithmetic number, because the mean of its divisors is an integer number (73428794244).

Almost surely, 21214140232421 is an apocalyptic number.

It is an amenable number.

1214140232421 is a deficient number, since it is larger than the sum of its proper divisors (548150829435).

1214140232421 is a wasteful number, since it uses less digits than its factorization.

1214140232421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80513 (or 80510 counting only the distinct ones).

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

Adding to 1214140232421 its reverse (1242320414121), we get a palindrome (2456460646542).

The spelling of 1214140232421 in words is "one trillion, two hundred fourteen billion, one hundred forty million, two hundred thirty-two thousand, four hundred twenty-one".

Divisors: 1 3 9 211 633 1899 8963 26889 71333 80667 213999 641997 1891193 5673579 15051263 17020737 45153789 135461367 639357679 1918073037 5754219111 134904470269 404713410807 1214140232421