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214970442500421 = 3261931034205743
BaseRepresentation
bin110000111000001110110100…
…110111001100100101000101
31001012010222021202022212220100
4300320032310313030211011
5211134033431240003141
62041112020303154313
763165046652101146
oct6070166467144505
91035128252285810
10214970442500421
11625504a8583a23
122013a8662a5999
1392c48199b882a
143b128a6b59acd
1519cbd1b8860b6
hexc383b4dcc945

214970442500421 has 24 divisors (see below), whose sum is σ = 315606701037056. Its totient is φ = 140962677006240.

The previous prime is 214970442500393. The next prime is 214970442500423. The reversal of 214970442500421 is 124005244079412.

214970442500421 is a `hidden beast` number, since 2 + 14 + 9 + 70 + 4 + 42 + 500 + 4 + 21 = 666.

It is not a de Polignac number, because 214970442500421 - 211 = 214970442498373 is a prime.

It is a super-2 number, since 2×2149704425004212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214970442500423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49010676 + ... + 53216418.

Almost surely, 2214970442500421 is an apocalyptic number.

It is an amenable number.

214970442500421 is a deficient number, since it is larger than the sum of its proper divisors (100636258536635).

214970442500421 is a wasteful number, since it uses less digits than its factorization.

214970442500421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298913 (or 4298910 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

Adding to 214970442500421 its reverse (124005244079412), we get a palindrome (338975686579833).

The spelling of 214970442500421 in words is "two hundred fourteen trillion, nine hundred seventy billion, four hundred forty-two million, five hundred thousand, four hundred twenty-one".

Divisors: 1 3 9 61 183 549 93103 279309 837927 4205743 5679283 12617229 17037849 37851687 51113547 256550323 769650969 2308952907 391567290529 1174701871587 3524105614761 23885604722269 71656814166807 214970442500421