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213232430100 = 223522392973953
BaseRepresentation
bin1100011010010110100…
…1001010110000010100
3202101101112102210010010
43012211221022300110
511443200000230400
6241542503000220
721256045515264
oct3064551126024
9671345383103
10213232430100
1182482169848
12353ab139070
13171528c1281
14a46b6717a4
15582eed9450
hex31a5a4ac14

213232430100 has 72 divisors (see below), whose sum is σ = 619534097280. Its totient is φ = 56624046080.

The previous prime is 213232430069. The next prime is 213232430111. The reversal of 213232430100 is 1034232312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1415277 + ... + 1558676.

It is an arithmetic number, because the mean of its divisors is an integer number (8604640240).

Almost surely, 2213232430100 is an apocalyptic number.

213232430100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213232430100 is an abundant number, since it is smaller than the sum of its proper divisors (406301667180).

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

213232430100 is a wasteful number, since it uses less digits than its factorization.

213232430100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974209 (or 2974202 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213232430100 its reverse (1034232312), we get a palindrome (214266662412).

The spelling of 213232430100 in words is "two hundred thirteen billion, two hundred thirty-two million, four hundred thirty thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 239 300 478 717 956 1195 1434 2390 2868 3585 4780 5975 7170 11950 14340 17925 23900 35850 71700 2973953 5947906 8921859 11895812 14869765 17843718 29739530 35687436 44609295 59479060 74348825 89218590 148697650 178437180 223046475 297395300 446092950 710774767 892185900 1421549534 2132324301 2843099068 3553873835 4264648602 7107747670 8529297204 10661621505 14215495340 17769369175 21323243010 35538738350 42646486020 53308107525 71077476700 106616215050 213232430100