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245040230523551 = 475239968684371
BaseRepresentation
bin110111101101110011011111…
…111001010110001010011111
31012010121121122222111112122212
4313231303133321112022133
5224104214343003223201
62225053532230031035
7102420400226060561
oct6755633771261237
91163547588445585
10245040230523551
1171093a83a43751
12235965314a847b
13a69626b683808
1444720208dd331
151d4e0d334cabb
hexdedcdfe5629f

245040230523551 has 8 divisors (see below), whose sum is σ = 250732349324544. Its totient is φ = 239368049092440.

The previous prime is 245040230523503. The next prime is 245040230523559. The reversal of 245040230523551 is 155325032040542.

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 245040230523551 - 238 = 244765352616607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245040230523499 and 245040230523508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245040230523559) 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, 4984317605 + ... + 4984366766.

It is an arithmetic number, because the mean of its divisors is an integer number (31341543665568).

Almost surely, 2245040230523551 is an apocalyptic number.

245040230523551 is a deficient number, since it is larger than the sum of its proper divisors (5692118800993).

245040230523551 is an equidigital number, since it uses as much as digits as its factorization.

245040230523551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9968684941.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 245040230523551 in words is "two hundred forty-five trillion, forty billion, two hundred thirty million, five hundred twenty-three thousand, five hundred fifty-one".

Divisors: 1 47 523 24581 9968684371 468528165437 5213621926033 245040230523551