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245554101540042 = 23131312409798397
BaseRepresentation
bin110111110101010010000100…
…111111101101010011001010
31012012102202001112110220100220
4313311102010333231103022
5224141124244443240132
62230125555201210510
7102502461355460451
oct6765220477552312
91165382045426326
10245554101540042
1171271a00812139
122365a043930a36
13a70286348c549
14448cc4c021b98
151d5c65bad6a2c
hexdf5484fed4ca

245554101540042 has 16 divisors (see below), whose sum is σ = 494857120662432. Its totient is φ = 81226547582960.

The previous prime is 245554101540037. The next prime is 245554101540067. The reversal of 245554101540042 is 240045101455542.

It is a super-2 number, since 2×2455541015400422 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245554101539976 and 245554101540003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156204898413 + ... + 156204899984.

It is an arithmetic number, because the mean of its divisors is an integer number (30928570041402).

Almost surely, 2245554101540042 is an apocalyptic number.

245554101540042 is an abundant number, since it is smaller than the sum of its proper divisors (249303019122390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245554101540042 is a wasteful number, since it uses less digits than its factorization.

245554101540042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312409798533.

The product of its (nonzero) digits is 640000, while the sum is 42.

Adding to 245554101540042 its reverse (240045101455542), we get a palindrome (485599202995584).

The spelling of 245554101540042 in words is "two hundred forty-five trillion, five hundred fifty-four billion, one hundred one million, five hundred forty thousand, forty-two".

Divisors: 1 2 3 6 131 262 393 786 312409798397 624819596794 937229395191 1874458790382 40925683590007 81851367180014 122777050770021 245554101540042