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245120304342 = 23432774218147
BaseRepresentation
bin1110010001001001001…
…1110000010011010110
3212102200212002122002110
43210102103300103112
513004001244214332
6304335014451450
723465211131544
oct3442223602326
9772625078073
10245120304342
1194a56026721
123b60a363b86
131a165132904
14bc14708d94
1565997284cc
hex39124f04d6

245120304342 has 64 divisors (see below), whose sum is σ = 504710325504. Its totient is φ = 79319882880.

The previous prime is 245120304307. The next prime is 245120304343. The reversal of 245120304342 is 243403021542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245120304343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30083113 + ... + 30091259.

It is an arithmetic number, because the mean of its divisors is an integer number (7886098836).

Almost surely, 2245120304342 is an apocalyptic number.

245120304342 is an abundant number, since it is smaller than the sum of its proper divisors (259590021162).

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

245120304342 is a wasteful number, since it uses less digits than its factorization.

245120304342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 245120304342 its reverse (243403021542), we get a palindrome (488523325884).

The spelling of 245120304342 in words is "two hundred forty-five billion, one hundred twenty million, three hundred four thousand, three hundred forty-two".

Divisors: 1 2 3 6 43 86 129 258 277 421 554 831 842 1263 1662 2526 8147 11911 16294 18103 23822 24441 35733 36206 48882 54309 71466 108618 116617 233234 349851 350321 699702 700642 1050963 2101926 2256719 3429887 4513438 5014531 6770157 6859774 10029062 10289661 13540314 15043593 20579322 30087186 97038917 147485141 194077834 291116751 294970282 442455423 582233502 884910846 950078699 1900157398 2850236097 5700472194 40853384057 81706768114 122560152171 245120304342