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225213012843 = 37131201686891
BaseRepresentation
bin1101000110111110111…
…1011101101101101011
3210112022111000102222220
43101233233131231223
512142214012402333
6251243400245123
722161663011040
oct3215757355553
9715274012886
10225213012843
118756a9689a5
12377934707a3
1318311a179a0
14ac868771c7
155cd1bc18b3
hex346fbddb6b

225213012843 has 32 divisors (see below), whose sum is σ = 369888594432. Its totient is φ = 118694592000.

The previous prime is 225213012733. The next prime is 225213012847. The reversal of 225213012843 is 348210312522.

It is not a de Polignac number, because 225213012843 - 236 = 156493536107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225213012847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15573 + ... + 671318.

It is an arithmetic number, because the mean of its divisors is an integer number (11559018576).

Almost surely, 2225213012843 is an apocalyptic number.

225213012843 is a deficient number, since it is larger than the sum of its proper divisors (144675581589).

225213012843 is a wasteful number, since it uses less digits than its factorization.

225213012843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688115.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 225213012843 in words is "two hundred twenty-five billion, two hundred thirteen million, twelve thousand, eight hundred forty-three".

Divisors: 1 3 7 13 21 39 91 273 1201 3603 8407 15613 25221 46839 109291 327873 686891 2060673 4808237 8929583 14424711 26788749 62507081 187521243 824956091 2474868273 5774692637 10724429183 17324077911 32173287549 75071004281 225213012843