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215324323423512 = 233173193126856751
BaseRepresentation
bin110000111101011000011001…
…110011110010010100011000
31001020101210201022201101220120
4300331120121303302110120
5211210333203244023022
62041542343435353240
763232445315235042
oct6075303163622430
91036353638641816
10215324323423512
1162677595096226
12201973682b2820
13931bcc5615b44
143b25a77bc6a92
1519d612e48cd5c
hexc3d619cf2518

215324323423512 has 64 divisors (see below), whose sum is σ = 541702836380160. Its totient is φ = 71322933840000.

The previous prime is 215324323423501. The next prime is 215324323423549.

215324323423512 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2153243234235122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5410864 + ... + 21445887.

It is an arithmetic number, because the mean of its divisors is an integer number (8464106818440).

Almost surely, 2215324323423512 is an apocalyptic number.

It is an amenable number.

215324323423512 is an abundant number, since it is smaller than the sum of its proper divisors (326378512956648).

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

215324323423512 is a wasteful number, since it uses less digits than its factorization.

215324323423512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26858864 (or 26858860 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 42.

The spelling of 215324323423512 in words is "two hundred fifteen trillion, three hundred twenty-four billion, three hundred twenty-three million, four hundred twenty-three thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 173 346 519 692 1038 1384 1931 2076 3862 4152 5793 7724 11586 15448 23172 46344 334063 668126 1002189 1336252 2004378 2672504 4008756 8017512 26856751 53713502 80570253 107427004 161140506 214854008 322281012 644562024 4646217923 9292435846 13938653769 18584871692 27877307538 37169743384 51860386181 55754615076 103720772362 111509230152 155581158543 207441544724 311162317086 414883089448 622324634172 1244649268344 8971846809313 17943693618626 26915540427939 35887387237252 53831080855878 71774774474504 107662161711756 215324323423512