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213244522400 = 25527132929183
BaseRepresentation
bin1100011010011001011…
…1010010111110100000
3202101102101012010122002
43012212113102332200
511443211044204100
6241544014103132
721256253350640
oct3064627227640
9671371163562
10213244522400
1182488a78988
12353b31aaaa8
1317155266290
14a46d0dc520
1558310c72d5
hex31a65d2fa0

213244522400 has 144 divisors (see below), whose sum is σ = 640717991424. Its totient is φ = 67488353280.

The previous prime is 213244522369. The next prime is 213244522409. The reversal of 213244522400 is 4225442312.

213244522400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213244522409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1391792 + ... + 1537391.

It is an arithmetic number, because the mean of its divisors is an integer number (4449430496).

Almost surely, 2213244522400 is an apocalyptic number.

213244522400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213244522400 is an abundant number, since it is smaller than the sum of its proper divisors (427473469024).

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

213244522400 is a wasteful number, since it uses less digits than its factorization.

213244522400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929223 (or 2929210 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 213244522400 its reverse (4225442312), we get a palindrome (217469964712).

The spelling of 213244522400 in words is "two hundred thirteen billion, two hundred forty-four million, five hundred twenty-two thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 25 26 28 32 35 40 50 52 56 65 70 80 91 100 104 112 130 140 160 175 182 200 208 224 260 280 325 350 364 400 416 455 520 560 650 700 728 800 910 1040 1120 1300 1400 1456 1820 2080 2275 2600 2800 2912 3640 4550 5200 5600 7280 9100 10400 14560 18200 36400 72800 2929183 5858366 11716732 14645915 20504281 23433464 29291830 38079379 41008562 46866928 58583660 73229575 76158758 82017124 93733856 102521405 117167320 146459150 152317516 164034248 190396895 205042810 234334640 266555653 292918300 304635032 328068496 380793790 410085620 468669280 512607025 533111306 585836600 609270064 656136992 761587580 820171240 951984475 1025214050 1066222612 1171673200 1218540128 1332778265 1523175160 1640342480 1903968950 2050428100 2132445224 2343346400 2665556530 3046350320 3280684960 3807937900 4100856200 4264890448 5331113060 6092700640 6663891325 7615875800 8201712400 8529780896 10662226120 13327782650 15231751600 16403424800 21324452240 26655565300 30463503200 42648904480 53311130600 106622261200 213244522400