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213132314400 = 25352127699253
BaseRepresentation
bin1100011001111110101…
…1010000011100100000
3202101010120001101012020
43012133223100130200
511442443333030100
6241524525101440
721253421531625
oct3063753203440
9671116041166
10213132314400
11824306a93a5
12353816b7880
1317137c39c05
14a45c25034c
1558263105a0
hex319fad0720

213132314400 has 144 divisors (see below), whose sum is σ = 699209247744. Its totient is φ = 56387681280.

The previous prime is 213132314341. The next prime is 213132314411. The reversal of 213132314400 is 4413231312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 44827 + ... + 654426.

It is an arithmetic number, because the mean of its divisors is an integer number (4855619776).

Almost surely, 2213132314400 is an apocalyptic number.

213132314400 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 213132314400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349604623872).

213132314400 is an abundant number, since it is smaller than the sum of its proper divisors (486076933344).

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

213132314400 is a wasteful number, since it uses less digits than its factorization.

213132314400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699403 (or 699390 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213132314400 its reverse (4413231312), we get a palindrome (217545545712).

The spelling of 213132314400 in words is "two hundred thirteen billion, one hundred thirty-two million, three hundred fourteen thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 127 150 160 200 240 254 300 381 400 480 508 600 635 762 800 1016 1200 1270 1524 1905 2032 2400 2540 3048 3175 3810 4064 5080 6096 6350 7620 9525 10160 12192 12700 15240 19050 20320 25400 30480 38100 50800 60960 76200 101600 152400 304800 699253 1398506 2097759 2797012 3496265 4195518 5594024 6992530 8391036 10488795 11188048 13985060 16782072 17481325 20977590 22376096 27970120 33564144 34962650 41955180 52443975 55940240 67128288 69925300 83910360 88805131 104887950 111880480 139850600 167820720 177610262 209775900 266415393 279701200 335641440 355220524 419551800 444025655 532830786 559402400 710441048 839103600 888051310 1065661572 1332076965 1420882096 1678207200 1776102620 2131323144 2220128275 2664153930 2841764192 3552205240 4262646288 4440256550 5328307860 6660384825 7104410480 8525292576 8880513100 10656615720 13320769650 14208820960 17761026200 21313231440 26641539300 35522052400 42626462880 53283078600 71044104800 106566157200 213132314400