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245555454042425 = 5243433691176333
BaseRepresentation
bin110111110101010011010101…
…100111000110000100111001
31012012102212112210110010211202
4313311103111213012010321
5224141140032213324200
62230130341314103545
7102502540030530212
oct6765232547060471
91165385483403752
10245555454042425
117127253520a1aa
122365a36087abb5
13a702a1a74a907
14448cd398cc409
151d5c6da6e81d5
hexdf54d59c6139

245555454042425 has 48 divisors (see below), whose sum is σ = 312338737041408. Its totient is φ = 191402551065600.

The previous prime is 245555454042421. The next prime is 245555454042433. The reversal of 245555454042425 is 524240454555542.

It is not a de Polignac number, because 245555454042425 - 22 = 245555454042421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245555454042421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3216859559 + ... + 3216935891.

It is an arithmetic number, because the mean of its divisors is an integer number (6507057021696).

Almost surely, 2245555454042425 is an apocalyptic number.

245555454042425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245555454042425 is a deficient number, since it is larger than the sum of its proper divisors (66783282998983).

245555454042425 is a wasteful number, since it uses less digits than its factorization.

245555454042425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83730 (or 83725 counting only the distinct ones).

The product of its (nonzero) digits is 128000000, while the sum is 56.

The spelling of 245555454042425 in words is "two hundred forty-five trillion, five hundred fifty-five billion, four hundred fifty-four million, forty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 43 215 433 1075 2165 6911 10825 18619 34555 76333 93095 172775 297173 381665 465475 1485865 1908325 2992463 3282319 7429325 14962315 16411595 33052189 74811575 82057975 128675909 165260945 527537363 643379545 826304725 1421244127 2637686815 3216897725 7106220635 13188434075 22684106609 35531103175 113420533045 228423678179 567102665225 1142118390895 5710591954475 9822218161697 49111090808485 245555454042425