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214042413221 = 7137789301979
BaseRepresentation
bin1100011101010111101…
…1000000100010100101
3202110110222120012001222
43013111323000202211
512001324324210341
6242155115430125
721315112331150
oct3072573004245
9673428505058
10214042413221
11828583a908a
1235596455345
131725165b120
14a507078c97
15587b18444b
hex31d5ec08a5

214042413221 has 16 divisors (see below), whose sum is σ = 263471510400. Its totient is φ = 169329935808.

The previous prime is 214042413191. The next prime is 214042413223. The reversal of 214042413221 is 122314240412.

It is a cyclic number.

It is not a de Polignac number, because 214042413221 - 222 = 214038218917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214042413223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557810 + ... + 859788.

It is an arithmetic number, because the mean of its divisors is an integer number (16466969400).

Almost surely, 2214042413221 is an apocalyptic number.

It is an amenable number.

214042413221 is a deficient number, since it is larger than the sum of its proper divisors (49429097179).

214042413221 is a wasteful number, since it uses less digits than its factorization.

214042413221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309788.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 214042413221 its reverse (122314240412), we get a palindrome (336356653633).

The spelling of 214042413221 in words is "two hundred fourteen billion, forty-two million, four hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 7 13 91 7789 54523 101257 301979 708799 2113853 3925727 27480089 2352114431 16464801017 30577487603 214042413221