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213124201320 = 23352410773673
BaseRepresentation
bin1100011001111100110…
…0010011101101101000
3202101002222210012010210
43012133030103231220
511442434243420240
6241524035141120
721253262551422
oct3063714235550
9671088705123
10213124201320
1182427067978
123537aa447a0
1317136359184
14a45b13b812
15582575b780
hex319f313b68

213124201320 has 64 divisors (see below), whose sum is σ = 639407805120. Its totient is φ = 56829991424.

The previous prime is 213124201249. The next prime is 213124201369. The reversal of 213124201320 is 23102421312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2856004 + ... + 2929676.

It is an arithmetic number, because the mean of its divisors is an integer number (9990746955).

Almost surely, 2213124201320 is an apocalyptic number.

213124201320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213124201320 is an abundant number, since it is smaller than the sum of its proper divisors (426283603800).

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

213124201320 is a wasteful number, since it uses less digits than its factorization.

213124201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97794 (or 97790 counting only the distinct ones).

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

Adding to 213124201320 its reverse (23102421312), we get a palindrome (236226622632).

The spelling of 213124201320 in words is "two hundred thirteen billion, one hundred twenty-four million, two hundred one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 24107 48214 72321 73673 96428 120535 144642 147346 192856 221019 241070 289284 294692 361605 368365 442038 482140 578568 589384 723210 736730 884076 964280 1105095 1446420 1473460 1768152 2210190 2892840 2946920 4420380 8840760 1776035011 3552070022 5328105033 7104140044 8880175055 10656210066 14208280088 17760350110 21312420132 26640525165 35520700220 42624840264 53281050330 71041400440 106562100660 213124201320