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245454362856828 = 223213152047150733
BaseRepresentation
bin110111110011110101001100…
…000110110100110101111100
31012012002012121120112211100200
4313303311030012310311330
5224133011013342404303
62230012102211123500
7102462330633606456
oct6763651406646574
91165065546484320
10245454362856828
117123367993a224
12236428495a3590
13a6c6329b55528
1444880a99852d6
151d59c707b93a3
hexdf3d4c1b4d7c

245454362856828 has 36 divisors (see below), whose sum is σ = 625190374616808. Its totient is φ = 81193555141920.

The previous prime is 245454362856827. The next prime is 245454362856907. The reversal of 245454362856828 is 828658263454542.

245454362856828 is a `hidden beast` number, since 2 + 4 + 5 + 4 + 5 + 4 + 36 + 2 + 8 + 568 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245454362856827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26023570651 + ... + 26023580082.

Almost surely, 2245454362856828 is an apocalyptic number.

It is an amenable number.

245454362856828 is an abundant number, since it is smaller than the sum of its proper divisors (379736011759980).

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

245454362856828 is a wasteful number, since it uses less digits than its factorization.

245454362856828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52047150874 (or 52047150869 counting only the distinct ones).

The product of its digits is 3538944000, while the sum is 72.

The spelling of 245454362856828 in words is "two hundred forty-five trillion, four hundred fifty-four billion, three hundred sixty-two million, eight hundred fifty-six thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 131 262 393 524 786 1179 1572 2358 4716 52047150733 104094301466 156141452199 208188602932 312282904398 468424356597 624565808796 936848713194 1873697426388 6818176746023 13636353492046 20454530238069 27272706984092 40909060476138 61363590714207 81818120952276 122727181428414 245454362856828