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245305012425 = 35211597170981
BaseRepresentation
bin1110010001110101010…
…0010111000011001001
3212110011201122202221120
43210131110113003021
513004341040344200
6304405213425453
723502613126224
oct3443524270311
9773151582846
10245305012425
1195040314630
123b66019b289
131a194494735
14bc3106a5bb
1565aaa619a0
hex391d5170c9

245305012425 has 96 divisors (see below), whose sum is σ = 456283653120. Its totient is φ = 115271520000.

The previous prime is 245305012423. The next prime is 245305012453. The reversal of 245305012425 is 524210503542.

It is a happy number.

It is not a de Polignac number, because 245305012425 - 21 = 245305012423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245305012423) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3420435 + ... + 3491415.

It is an arithmetic number, because the mean of its divisors is an integer number (4752954720).

Almost surely, 2245305012425 is an apocalyptic number.

245305012425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245305012425 is a deficient number, since it is larger than the sum of its proper divisors (210978640695).

245305012425 is a wasteful number, since it uses less digits than its factorization.

245305012425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71135 (or 71130 counting only the distinct ones).

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

Adding to 245305012425 its reverse (524210503542), we get a palindrome (769515515967).

The spelling of 245305012425 in words is "two hundred forty-five billion, three hundred five million, twelve thousand, four hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 59 71 75 165 177 213 275 295 355 649 781 825 885 1065 1475 1775 1947 2343 3245 3905 4189 4425 5325 9735 11715 12567 16225 19525 20945 46079 48675 58575 62835 70981 104725 138237 212943 230395 314175 354905 691185 780791 1064715 1151975 1774525 2342373 3455925 3903955 4187879 5039651 5323575 11711865 12563637 15118953 19519775 20939395 25198255 46066669 55436161 58559325 62818185 75594765 104696975 125991275 138200007 166308483 230333345 277180805 297339409 314090925 377973825 691000035 831542415 892018227 1151666725 1385904025 1486697045 3270733499 3455000175 4157712075 4460091135 7433485225 9812200497 16353667495 22300455675 49061002485 81768337475 245305012425