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245305423053239 = 2938921745006919
BaseRepresentation
bin110111110001101010011110…
…100110100100000110110111
31012011112222011201000212112212
4313301222132212210012313
5224123041001300200424
62225415431114204035
7102445506030302033
oct6761523646440667
91164488151025485
10245305423053239
117118649a23a35a
1223619a01a2361b
13a6b528212b733
144480bbad311c3
151d55e54d0c10e
hexdf1a9e9a41b7

245305423053239 has 8 divisors (see below), whose sum is σ = 254416580964000. Its totient is φ = 236237755157152.

The previous prime is 245305423053233. The next prime is 245305423053247. The reversal of 245305423053239 is 932350324503542.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245305423053239 - 244 = 227713237008823 is a prime.

It is a super-2 number, since 2×2453054230532392 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245305423053233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10872492179 + ... + 10872514740.

It is an arithmetic number, because the mean of its divisors is an integer number (31802072620500).

Almost surely, 2245305423053239 is an apocalyptic number.

245305423053239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

245305423053239 is a deficient number, since it is larger than the sum of its proper divisors (9111157910761).

245305423053239 is a wasteful number, since it uses less digits than its factorization.

245305423053239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21745007337.

The product of its (nonzero) digits is 11664000, while the sum is 50.

The spelling of 245305423053239 in words is "two hundred forty-five trillion, three hundred five billion, four hundred twenty-three million, fifty-three thousand, two hundred thirty-nine".

Divisors: 1 29 389 11281 21745006919 630605200651 8458807691491 245305423053239