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205250223124 = 221492237012203
BaseRepresentation
bin1011111100100111011…
…1011101110000010100
3201121210020111122122201
42333021313131300110
511330323024114444
6234142440334244
720554202052652
oct2771167356024
9647706448581
10205250223124
117a056444581
1233941a74384
131647cc6ab8b
149d114b9dd2
155514355dd4
hex2fc9dddc14

205250223124 has 48 divisors (see below), whose sum is σ = 363903321600. Its totient is φ = 101288476800.

The previous prime is 205250223091. The next prime is 205250223131. The reversal of 205250223124 is 421322052502.

It is a junction number, because it is equal to n+sod(n) for n = 205250223092 and 205250223101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93167407 + ... + 93169609.

It is an arithmetic number, because the mean of its divisors is an integer number (7581319200).

Almost surely, 2205250223124 is an apocalyptic number.

It is an amenable number.

205250223124 is a deficient number, since it is larger than the sum of its proper divisors (158653098476).

205250223124 is a wasteful number, since it uses less digits than its factorization.

205250223124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 205250223124 its reverse (421322052502), we get a palindrome (626572275626).

The spelling of 205250223124 in words is "two hundred five billion, two hundred fifty million, two hundred twenty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 149 223 298 446 596 701 892 1402 2203 2804 4406 8812 33227 66454 104449 132908 156323 208898 312646 328247 417796 491269 625292 656494 982538 1312988 1544303 1965076 3088606 6177212 23292127 46584254 73199081 93168508 146398162 230101147 292796324 344379569 460202294 688759138 920404588 1377518276 51312555781 102625111562 205250223124