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213144201204 = 223112146793527
BaseRepresentation
bin1100011010000001100…
…0100110011111110100
3202101011101102021211020
43012200120212133310
511443004403414304
6241530031541140
721253624550214
oct3064030463764
9671141367736
10213144201204
1182437388100
123538568a7b0
131713a53c51c
14a45da66244
1558273ac5d9
hex31a06267f4

213144201204 has 36 divisors (see below), whose sum is σ = 546659098272. Its totient is φ = 64589151440.

The previous prime is 213144201187. The next prime is 213144201211. The reversal of 213144201204 is 402102441312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73395312 + ... + 73398215.

It is an arithmetic number, because the mean of its divisors is an integer number (15184974952).

Almost surely, 2213144201204 is an apocalyptic number.

It is an amenable number.

213144201204 is an abundant number, since it is smaller than the sum of its proper divisors (333514897068).

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

213144201204 is a wasteful number, since it uses less digits than its factorization.

213144201204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146793556 (or 146793543 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 213144201204 its reverse (402102441312), we get a palindrome (615246642516).

The spelling of 213144201204 in words is "two hundred thirteen billion, one hundred forty-four million, two hundred one thousand, two hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 1452 146793527 293587054 440380581 587174108 880761162 1614728797 1761522324 3229457594 4844186391 6458915188 9688372782 17762016767 19376745564 35524033534 53286050301 71048067068 106572100602 213144201204