Search a number
-
+
551205450153 = 32177015139301
BaseRepresentation
bin10000000010101100110…
…01111011000110101001
31221200202110022002121100
420001112121323012221
533012332043401103
61101115325432013
754552246010131
oct10012631730651
91850673262540
10551205450153
111a284611a046
128a9b170b609
133cc9486c8c7
141c96daa1ac1
15e51123d5a3
hex805667b1a9

551205450153 has 24 divisors (see below), whose sum is σ = 844222860936. Its totient is φ = 345360960000.

The previous prime is 551205450151. The next prime is 551205450179. The reversal of 551205450153 is 351054502155.

551205450153 is a `hidden beast` number, since 5 + 51 + 2 + 0 + 5 + 450 + 153 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 225333444249 + 325872005904 = 474693^2 + 570852^2 .

It is not a de Polignac number, because 551205450153 - 21 = 551205450151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551205450151) 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, 2462398 + ... + 2676903.

It is an arithmetic number, because the mean of its divisors is an integer number (35175952539).

Almost surely, 2551205450153 is an apocalyptic number.

It is an amenable number.

551205450153 is a deficient number, since it is larger than the sum of its proper divisors (293017410783).

551205450153 is a wasteful number, since it uses less digits than its factorization.

551205450153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140025 (or 5140022 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 551205450153 in words is "five hundred fifty-one billion, two hundred five million, four hundred fifty thousand, one hundred fifty-three".

Divisors: 1 3 9 17 51 153 701 2103 6309 11917 35751 107253 5139301 15417903 46253709 87368117 262104351 786313053 3602650001 10807950003 32423850009 61245050017 183735150051 551205450153