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25055522045345 = 5112971661334721
BaseRepresentation
bin1011011001001101100010…
…11111011011110110100001
310021201021200102002202211202
411230212301133123312201
511241002202120422340
6125142203052450545
75164126123256261
oct554466137336641
9107637612082752
1025055522045345
117a8aa94aa8a90
122987b17779a55
1310c9958179a6c
1462899d8897a1
152d6b41b23c15
hex16c9b17dbda1

25055522045345 has 64 divisors (see below), whose sum is σ = 34461049121280. Its totient is φ = 17319751680000.

The previous prime is 25055522045341. The next prime is 25055522045377. The reversal of 25055522045345 is 54354022555052.

It is a happy number.

It is not a de Polignac number, because 25055522045345 - 22 = 25055522045341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25055522045345.

It is not an unprimeable number, because it can be changed into a prime (25055522045341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74687585 + ... + 75022305.

It is an arithmetic number, because the mean of its divisors is an integer number (538453892520).

Almost surely, 225055522045345 is an apocalyptic number.

It is an amenable number.

25055522045345 is a deficient number, since it is larger than the sum of its proper divisors (9405527075935).

25055522045345 is a wasteful number, since it uses less digits than its factorization.

25055522045345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335498.

The product of its (nonzero) digits is 6000000, while the sum is 47.

The spelling of 25055522045345 in words is "twenty-five trillion, fifty-five billion, five hundred twenty-two million, forty-five thousand, three hundred forty-five".

Divisors: 1 5 11 29 55 71 145 319 355 661 781 1595 2059 3305 3905 7271 10295 19169 22649 36355 46931 95845 113245 210859 234655 334721 516241 1054295 1360999 1673605 2581205 3681931 6804995 9706909 14970989 18409655 23765191 48534545 74854945 106775999 118825955 221250581 261417101 533879995 689190539 1106252905 1307085505 2433756391 3445952695 6416266849 7581095929 12168781955 15708791251 32081334245 37905479645 70578935339 78543956255 172796703761 352894676695 455554946279 863983518805 2277774731395 5011104409069 25055522045345