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245240025135 = 35740150911443
BaseRepresentation
bin1110010001100101110…
…0011101000000101111
3212110000012101002010220
43210121130131000233
513004222421301020
6304354532502423
723501163551010
oct3443134350057
9773005332126
10245240025135
1195007667726
123b64247aa13
131a183b8c711
14bc26591007
1565a4ec6240
hex391971d02f

245240025135 has 64 divisors (see below), whose sum is σ = 450479784960. Its totient is φ = 111600691200.

The previous prime is 245240025091. The next prime is 245240025209. The reversal of 245240025135 is 531520042542.

It is a happy number.

245240025135 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 245240025135 - 27 = 245240025007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245240025096 and 245240025105.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 21425724 + ... + 21437166.

It is an arithmetic number, because the mean of its divisors is an integer number (7038746640).

Almost surely, 2245240025135 is an apocalyptic number.

245240025135 is a deficient number, since it is larger than the sum of its proper divisors (205239759825).

245240025135 is a wasteful number, since it uses less digits than its factorization.

245240025135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12368.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 245240025135 its reverse (531520042542), we get a palindrome (776760067677).

The spelling of 245240025135 in words is "two hundred forty-five billion, two hundred forty million, twenty-five thousand, one hundred thirty-five".

Divisors: 1 3 5 7 15 21 35 105 401 509 1203 1527 2005 2545 2807 3563 6015 7635 8421 10689 11443 14035 17815 34329 42105 53445 57215 80101 171645 204109 240303 400505 612327 1020545 1201515 1428763 3061635 4286289 4588643 5824487 7143815 13765929 17473461 21431445 22943215 29122435 32120501 40771409 68829645 87367305 96361503 122314227 160602505 203857045 481807515 611571135 2335619287 7006857861 11678096435 16349335009 35034289305 49048005027 81746675045 245240025135