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245375245025 = 5289149740141
BaseRepresentation
bin1110010010000110000…
…0010001101011100001
3212110100121210221221222
43210201200101223201
513010012030320100
6304420203024425
723504425112051
oct3444140215341
9773317727858
10245375245025
1195076a243a9
123b67b80b115
131a1a5bb50a1
14bc3a50d561
1565b1cd6485
hex3921811ae1

245375245025 has 24 divisors (see below), whose sum is σ = 309749427000. Its totient is φ = 192791667200.

The previous prime is 245375245019. The next prime is 245375245067. The reversal of 245375245025 is 520542573542.

It can be written as a sum of positive squares in 12 ways, for example, as 125401682641 + 119973562384 = 354121^2 + 346372^2 .

It is not a de Polignac number, because 245375245025 - 24 = 245375245009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38546 + ... + 701595.

It is an arithmetic number, because the mean of its divisors is an integer number (12906226125).

Almost surely, 2245375245025 is an apocalyptic number.

245375245025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245375245025 is a deficient number, since it is larger than the sum of its proper divisors (64374181975).

245375245025 is a wasteful number, since it uses less digits than its factorization.

245375245025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740389 (or 740384 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 44.

The spelling of 245375245025 in words is "two hundred forty-five billion, three hundred seventy-five million, two hundred forty-five thousand, twenty-five".

Divisors: 1 5 25 89 149 445 745 2225 3725 13261 66305 331525 740141 3700705 18503525 65872549 110281009 329362745 551405045 1646813725 2757025225 9815009801 49075049005 245375245025