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214121015 = 5199215197
BaseRepresentation
bin11001100001100…
…11101000110111
3112220220110210222
430300303220313
5414303333030
633125204555
75206666343
oct1460635067
9486813728
10214121015
11aa958319
125b86075b
133548c834
142061a623
1513be83e5
hexcc33a37

214121015 has 8 divisors (see below), whose sum is σ = 258237600. Its totient is φ = 170435232.

The previous prime is 214120997. The next prime is 214121027. The reversal of 214121015 is 510121412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214121015 - 218 = 213858871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214120984 and 214121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106604 + ... + 108593.

It is an arithmetic number, because the mean of its divisors is an integer number (32279700).

Almost surely, 2214121015 is an apocalyptic number.

214121015 is a deficient number, since it is larger than the sum of its proper divisors (44116585).

214121015 is a wasteful number, since it uses less digits than its factorization.

214121015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215401.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 214121015 is about 14632.8744612943. The cubic root of 214121015 is about 598.2551297057.

Adding to 214121015 its reverse (510121412), we get a palindrome (724242427).

The spelling of 214121015 in words is "two hundred fourteen million, one hundred twenty-one thousand, fifteen".

Divisors: 1 5 199 995 215197 1075985 42824203 214121015