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245225121045 = 3542283386641
BaseRepresentation
bin1110010001100010001…
…1100110010100010101
3212102222011022212120120
43210120203212110111
513004210112333140
6304353241222153
723500623064602
oct3443043462425
9772864285516
10245225121045
1194aaa207aa3
123b639491959
131a180a71928
14bc245d16a9
1565a3a301d0
hex39188e6515

245225121045 has 16 divisors (see below), whose sum is σ = 392370487872. Its totient is φ = 130783299840.

The previous prime is 245225121017. The next prime is 245225121107. The reversal of 245225121045 is 540121522542.

It is not a de Polignac number, because 245225121045 - 26 = 245225120981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245225120997 and 245225121015.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 440925 + ... + 827565.

It is an arithmetic number, because the mean of its divisors is an integer number (24523155492).

Almost surely, 2245225121045 is an apocalyptic number.

It is an amenable number.

245225121045 is a deficient number, since it is larger than the sum of its proper divisors (147145366827).

245225121045 is a wasteful number, since it uses less digits than its factorization.

245225121045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428932.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 245225121045 its reverse (540121522542), we get a palindrome (785346643587).

The spelling of 245225121045 in words is "two hundred forty-five billion, two hundred twenty-five million, one hundred twenty-one thousand, forty-five".

Divisors: 1 3 5 15 42283 126849 211415 386641 634245 1159923 1933205 5799615 16348341403 49045024209 81741707015 245225121045