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215153330106 = 231113250761457
BaseRepresentation
bin1100100001100000100…
…0110100011110111010
3202120100101221121112210
43020120020310132322
512011113223030411
6242501242315550
721354462062661
oct3103010643672
9676311847483
10215153330106
118327849a410
12358464b8bb6
131739a861ab0
14a5b0819dd8
1558e3974ca6
hex32182347ba

215153330106 has 32 divisors (see below), whose sum is σ = 505535099328. Its totient is φ = 60182749440.

The previous prime is 215153330089. The next prime is 215153330201. The reversal of 215153330106 is 601033351512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125379871 + ... + 125381586.

It is an arithmetic number, because the mean of its divisors is an integer number (15797971854).

Almost surely, 2215153330106 is an apocalyptic number.

215153330106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

215153330106 is an abundant number, since it is smaller than the sum of its proper divisors (290381769222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215153330106 is a wasteful number, since it uses less digits than its factorization.

215153330106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250761486.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 215153330106 its reverse (601033351512), we get a palindrome (816186681618).

The spelling of 215153330106 in words is "two hundred fifteen billion, one hundred fifty-three million, three hundred thirty thousand, one hundred six".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 250761457 501522914 752284371 1504568742 2758376027 3259898941 5516752054 6519797882 8275128081 9779696823 16550256162 19559393646 35858888351 71717776702 107576665053 215153330106