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213120212322 = 23307563205507
BaseRepresentation
bin1100011001111011110…
…1000101110101100010
3202101002201021112021010
43012132331011311202
511442432233243242
6241523413441350
721253213625613
oct3063675056542
9671081245233
10213120212322
1182424892986
1235379640256
1317135590614
14a45a7bdc0a
15582521e89c
hex319ef45d62

213120212322 has 32 divisors (see below), whose sum is σ = 428390468352. Its totient is φ = 70682555664.

The previous prime is 213120212317. The next prime is 213120212323. The reversal of 213120212322 is 223212021312.

It is not an unprimeable number, because it can be changed into a prime (213120212323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934293 + ... + 1139799.

It is an arithmetic number, because the mean of its divisors is an integer number (13387202136).

Almost surely, 2213120212322 is an apocalyptic number.

213120212322 is an abundant number, since it is smaller than the sum of its proper divisors (215270256030).

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

213120212322 is a wasteful number, since it uses less digits than its factorization.

213120212322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206382.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 213120212322 its reverse (223212021312), we get a palindrome (436332233634).

The spelling of 213120212322 in words is "two hundred thirteen billion, one hundred twenty million, two hundred twelve thousand, three hundred twenty-two".

Divisors: 1 2 3 6 307 563 614 921 1126 1689 1842 3378 172841 205507 345682 411014 518523 616521 1037046 1233042 63090649 115700441 126181298 189271947 231400882 347101323 378543894 694202646 35520035387 71040070774 106560106161 213120212322