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245520453313 = 3173397273283
BaseRepresentation
bin1110010010101000101…
…0001100111011000001
3212110201202001022021201
43210222022030323001
513010311214001223
6304442431221201
723511140263612
oct3445212147301
9773652038251
10245520453313
1195140993553
123b700377801
131a1c9cc6c55
14bc5190bc09
1565be91aead
hex392a28cec1

245520453313 has 16 divisors (see below), whose sum is σ = 257560331776. Its totient is φ = 233754491520.

The previous prime is 245520453253. The next prime is 245520453329. The reversal of 245520453313 is 313354025542.

It is a cyclic number.

It is not a de Polignac number, because 245520453313 - 217 = 245520322241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245520433313) by changing a digit.

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, 761770 + ... + 1035052.

It is an arithmetic number, because the mean of its divisors is an integer number (16097520736).

Almost surely, 2245520453313 is an apocalyptic number.

It is an amenable number.

245520453313 is a deficient number, since it is larger than the sum of its proper divisors (12039878463).

245520453313 is a wasteful number, since it uses less digits than its factorization.

245520453313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273784.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 245520453313 its reverse (313354025542), we get a palindrome (558874478855).

The spelling of 245520453313 in words is "two hundred forty-five billion, five hundred twenty million, four hundred fifty-three thousand, three hundred thirteen".

Divisors: 1 31 73 397 2263 12307 28981 273283 898411 8471773 19949659 108493351 618439429 3363293881 7920014623 245520453313