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213104543200 = 2552739360461
BaseRepresentation
bin1100011001111000000…
…1010100010111100000
3202101001121210110021021
43012132001110113200
511442414230340300
6241522053535224
721252633505213
oct3063601242740
9671047713237
10213104543200
1182416a6049a
1235374344514
1317132265553
14a4586a177a
155823b76d1a
hex319e0545e0

213104543200 has 72 divisors (see below), whose sum is σ = 520946891640. Its totient is φ = 85126233600.

The previous prime is 213104543189. The next prime is 213104543209. The reversal of 213104543200 is 2345401312.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213104543209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410970 + ... + 771430.

It is an arithmetic number, because the mean of its divisors is an integer number (7235373495).

Almost surely, 2213104543200 is an apocalyptic number.

213104543200 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 213104543200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260473445820).

213104543200 is an abundant number, since it is smaller than the sum of its proper divisors (307842348440).

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

213104543200 is a wasteful number, since it uses less digits than its factorization.

213104543200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361220 (or 361207 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 213104543200 its reverse (2345401312), we get a palindrome (215449944512).

The spelling of 213104543200 in words is "two hundred thirteen billion, one hundred four million, five hundred forty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 739 800 1478 2956 3695 5912 7390 11824 14780 18475 23648 29560 36950 59120 73900 118240 147800 295600 360461 591200 720922 1441844 1802305 2883688 3604610 5767376 7209220 9011525 11534752 14418440 18023050 28836880 36046100 57673760 72092200 144184400 266380679 288368800 532761358 1065522716 1331903395 2131045432 2663806790 4262090864 5327613580 6659516975 8524181728 10655227160 13319033950 21310454320 26638067900 42620908640 53276135800 106552271600 213104543200