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214142646679 = 13149227487021
BaseRepresentation
bin1100011101101111100…
…1010111100110010111
3202110201222011120112021
43013123321113212113
512002031004143204
6242213100034011
721320440315033
oct3073371274627
9673658146467
10214142646679
11828a9a39a55
1235603b32907
1317269353c70
14a5164cb1c3
155884d83154
hex31dbe57997

214142646679 has 16 divisors (see below), whose sum is σ = 233186133600. Its totient is φ = 195478139520.

The previous prime is 214142646643. The next prime is 214142646727. The reversal of 214142646679 is 976646241412.

It is a cyclic number.

It is not a de Polignac number, because 214142646679 - 29 = 214142646167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214142646079) 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, 196189 + ... + 683209.

It is an arithmetic number, because the mean of its divisors is an integer number (14574133350).

Almost surely, 2214142646679 is an apocalyptic number.

214142646679 is a deficient number, since it is larger than the sum of its proper divisors (19043486921).

214142646679 is a wasteful number, since it uses less digits than its factorization.

214142646679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487410.

The product of its digits is 3483648, while the sum is 52.

The spelling of 214142646679 in words is "two hundred fourteen billion, one hundred forty-two million, six hundred forty-six thousand, six hundred seventy-nine".

Divisors: 1 13 149 227 1937 2951 33823 439699 487021 6331273 72566129 110553767 943359677 1437198971 16472511283 214142646679