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245164404724317 = 32134394347685007
BaseRepresentation
bin110111101111100111001001…
…010000010101001001011101
31012011001111011220011112010200
4313233213021100111021131
5224113233200102134232
62225230550034054113
7102432354332262531
oct6757471120251135
91164044156145120
10245164404724317
1171131705053671
12235b660711a339
13a6a4b9a5b2960
144478040383bc1
151d5244e9d877c
hexdef9c941525d

245164404724317 has 24 divisors (see below), whose sum is σ = 381375538462464. Its totient is φ = 150866966422944.

The previous prime is 245164404724303. The next prime is 245164404724321. The reversal of 245164404724317 is 713427404461542.

245164404724317 is a `hidden beast` number, since 2 + 4 + 5 + 164 + 4 + 0 + 47 + 2 + 431 + 7 = 666.

It is not a de Polignac number, because 245164404724317 - 27 = 245164404724189 is a prime.

It is a super-2 number, since 2×2451644047243172 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245164406724317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18701173 + ... + 28983834.

It is an arithmetic number, because the mean of its divisors is an integer number (15890647435936).

Almost surely, 2245164404724317 is an apocalyptic number.

It is an amenable number.

245164404724317 is a deficient number, since it is larger than the sum of its proper divisors (136211133738147).

245164404724317 is a wasteful number, since it uses less digits than its factorization.

245164404724317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47728969 (or 47728966 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 54.

The spelling of 245164404724317 in words is "two hundred forty-five trillion, one hundred sixty-four billion, four hundred four million, seven hundred twenty-four thousand, three hundred seventeen".

Divisors: 1 3 9 13 39 117 43943 131829 395487 571259 1713777 5141331 47685007 143055021 429165063 619905091 1859715273 5579145819 2095422262601 6286266787803 18858800363409 27240489413813 81721468241439 245164404724317