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245401404342205 = 5103673973972701
BaseRepresentation
bin110111110011000011110111…
…100010000111111110111101
31012011220010220210202112122011
4313303003313202013332331
5224131124034002422310
62225531503202251221
7102455444365633606
oct6763036742077675
91164803823675564
10245401404342205
1171213173171371
1223634529956b11
13a6c133a197c47
1444856c436adad
151d586c132778a
hexdf30f7887fbd

245401404342205 has 32 divisors (see below), whose sum is σ = 297817217268480. Its totient is φ = 194103612057600.

The previous prime is 245401404342169. The next prime is 245401404342209. The reversal of 245401404342205 is 502243404104542.

It is not a de Polignac number, because 245401404342205 - 27 = 245401404342077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245401404342209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3375452355 + ... + 3375525055.

It is an arithmetic number, because the mean of its divisors is an integer number (9306788039640).

Almost surely, 2245401404342205 is an apocalyptic number.

It is an amenable number.

245401404342205 is a deficient number, since it is larger than the sum of its proper divisors (52415812926275).

245401404342205 is a wasteful number, since it uses less digits than its factorization.

245401404342205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83221.

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 245401404342205 its reverse (502243404104542), we get a palindrome (747644808446747).

The spelling of 245401404342205 in words is "two hundred forty-five trillion, four hundred one billion, four hundred four million, three hundred forty-two thousand, two hundred five".

Divisors: 1 5 103 515 673 3365 9739 48695 69319 72701 346595 363505 1003117 5015585 6554347 7488203 32771735 37441015 48927773 244638865 675097741 708035039 3375488705 3540175195 5039560619 25197803095 72927609017 364638045085 476507581247 2382537906235 49080280868441 245401404342205