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245121142053 = 317109274116087
BaseRepresentation
bin1110010001001001011…
…0111100110100100101
3212102200220200012012210
43210102112330310211
513004002003021203
6304335044434033
723465221221054
oct3442226746445
9772626605183
10245121142053
1194a56549047
123b60a6a8919
131a165366cb8
14bc1488639b
156599841803
hex39125bcd25

245121142053 has 32 divisors (see below), whose sum is σ = 349377304320. Its totient is φ = 152325411840.

The previous prime is 245121142033. The next prime is 245121142151. The reversal of 245121142053 is 350241121542.

245121142053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245121142053 - 210 = 245121141029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245121142053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245121142033) 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 31 ways as a sum of consecutive naturals, for example, 15229176 + ... + 15245262.

It is an arithmetic number, because the mean of its divisors is an integer number (10918040760).

Almost surely, 2245121142053 is an apocalyptic number.

It is an amenable number.

245121142053 is a deficient number, since it is larger than the sum of its proper divisors (104256162267).

245121142053 is a wasteful number, since it uses less digits than its factorization.

245121142053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18957.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 245121142053 its reverse (350241121542), we get a palindrome (595362263595).

The spelling of 245121142053 in words is "two hundred forty-five billion, one hundred twenty-one million, one hundred forty-two thousand, fifty-three".

Divisors: 1 3 17 51 109 327 1853 2741 5559 8223 16087 46597 48261 139791 273479 298769 820437 896307 1753483 5079073 5260449 15237219 29809211 44094467 89427633 132283401 749605939 2248817817 4806296903 14418890709 81707047351 245121142053