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245240025115 = 5197930838039
BaseRepresentation
bin1110010001100101110…
…0011101000000011011
3212110000012101002010011
43210121130131000123
513004222421300430
6304354532502351
723501163550651
oct3443134350033
9773005332104
10245240025115
1195007667708
123b64247a9b7
131a183b8c6c7
14bc26590dd1
1565a4ec622a
hex391971d01b

245240025115 has 16 divisors (see below), whose sum is σ = 294568876800. Its totient is φ = 196004893792.

The previous prime is 245240025091. The next prime is 245240025209. The reversal of 245240025115 is 511520042542.

It is a cyclic number.

It is not a de Polignac number, because 245240025115 - 217 = 245239894043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30502266 + ... + 30510304.

It is an arithmetic number, because the mean of its divisors is an integer number (18410554800).

Almost surely, 2245240025115 is an apocalyptic number.

245240025115 is a deficient number, since it is larger than the sum of its proper divisors (49328851685).

245240025115 is a wasteful number, since it uses less digits than its factorization.

245240025115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13106.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 245240025115 its reverse (511520042542), we get a palindrome (756760067657).

The spelling of 245240025115 in words is "two hundred forty-five billion, two hundred forty million, twenty-five thousand, one hundred fifteen".

Divisors: 1 5 1979 3083 8039 9895 15415 40195 6101257 15909181 24784237 30506285 79545905 123921185 49048005023 245240025115