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245025403451020 = 22561987197642573
BaseRepresentation
bin110111101101100101101100…
…001000100011011010001100
31012010120012101122202012212101
4313231211230020203122030
5224103444011240413040
62225043041050244444
7102416333626042063
oct6755455410433214
91163505348665771
10245025403451020
11710887654a36a5
1223593693a26724
13a694a4790340a
1444714156511da
151d4da167e609a
hexded96c22368c

245025403451020 has 24 divisors (see below), whose sum is σ = 514561650838704. Its totient is φ = 98008579743936.

The previous prime is 245025403451009. The next prime is 245025403451123. The reversal of 245025403451020 is 20154304520542.

245025403451020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97581547 + ... + 100061026.

It is an arithmetic number, because the mean of its divisors is an integer number (21440068784946).

Almost surely, 2245025403451020 is an apocalyptic number.

245025403451020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245025403451020 is an abundant number, since it is smaller than the sum of its proper divisors (269536247387684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245025403451020 is a wasteful number, since it uses less digits than its factorization.

245025403451020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197704569 (or 197704567 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 245025403451020 its reverse (20154304520542), we get a palindrome (265179707971562).

The spelling of 245025403451020 in words is "two hundred forty-five trillion, twenty-five billion, four hundred three million, four hundred fifty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 61987 123974 247948 309935 619870 1239740 197642573 395285146 790570292 988212865 1976425730 3952851460 12251270172551 24502540345102 49005080690204 61256350862755 122512701725510 245025403451020