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2005263104157 = 3215117310398209
BaseRepresentation
bin11101001011100010111…
…111101011100010011101
321002200221020022020120200
4131023202333223202131
5230323234323313112
64133112151334113
7264606201103035
oct35134277534235
97080836266520
102005263104157
11703477821945
12284772681339
13117131a730a1
146d0ab87c8c5
15372650a5cdc
hex1d2e2feb89d

2005263104157 has 48 divisors (see below), whose sum is σ = 2935706841600. Its totient is φ = 1318881139200.

The previous prime is 2005263104137. The next prime is 2005263104183. The reversal of 2005263104157 is 7514013625002.

2005263104157 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 2 + 631 + 0 + 4 + 15 + 7 = 666.

It is not a de Polignac number, because 2005263104157 - 28 = 2005263103901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005263104137) 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, 244272069 + ... + 244280277.

It is an arithmetic number, because the mean of its divisors is an integer number (61160559200).

Almost surely, 22005263104157 is an apocalyptic number.

It is an amenable number.

2005263104157 is a deficient number, since it is larger than the sum of its proper divisors (930443737443).

2005263104157 is a wasteful number, since it uses less digits than its factorization.

2005263104157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9578 (or 9575 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 2005263104157 its reverse (7514013625002), we get a palindrome (9519276729159).

The spelling of 2005263104157 in words is "two trillion, five billion, two hundred sixty-three million, one hundred four thousand, one hundred fifty-seven".

Divisors: 1 3 9 151 173 453 519 1039 1359 1557 3117 8209 9351 24627 26123 73881 78369 156889 179747 235107 470667 539241 1239559 1412001 1420157 1617723 3718677 4260471 8529151 11156031 12781413 25587453 27141797 76762359 81425391 214443707 244276173 643331121 1287901801 1475543123 1929993363 3863705403 4426629369 11591116209 13279888107 222807011573 668421034719 2005263104157