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213352513920 = 273357131937193
BaseRepresentation
bin1100011010110011001…
…1010000000110000000
3202101200220101200011000
43012230303100012000
511443421220421140
6242002432452000
721262034306010
oct3065463200600
9671626350130
10213352513920
1182533a28577
12354233aa000
13171717473a0
14a47d5adc40
15583a809a30
hex31accd0180

213352513920 has 2048 divisors, whose sum is σ = 1010612736000. Its totient is φ = 41278242816.

The previous prime is 213352513889. The next prime is 213352513949. The reversal of 213352513920 is 29315253312.

213352513920 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 52 + 513 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1105453344 + ... + 1105453536.

It is an arithmetic number, because the mean of its divisors is an integer number (493463250).

Almost surely, 2213352513920 is an apocalyptic number.

213352513920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213352513920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505306368000).

213352513920 is an abundant number, since it is smaller than the sum of its proper divisors (797260222080).

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

213352513920 is a wasteful number, since it uses less digits than its factorization.

213352513920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 213352513920 in words is "two hundred thirteen billion, three hundred fifty-two million, five hundred thirteen thousand, nine hundred twenty".