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20514410451131 = 433583133150799
BaseRepresentation
bin1001010101000011000100…
…01001011101000010111011
32200122011021112110222120112
410222201202021131002323
510142102003033414011
6111344105015214535
74215055133510312
oct452414211350273
980564245428515
1020514410451131
11659a126987783
1223739b667744b
13b5a667aa0c6c
1450cc8d27d279
15258960b7758b
hex12a86225d0bb

20514410451131 has 8 divisors (see below), whose sum is σ = 20997348556800. Its totient is φ = 20031738654312.

The previous prime is 20514410451109. The next prime is 20514410451169. The reversal of 20514410451131 is 13115401441502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20514410451131 is a prime.

It is a super-2 number, since 2×205144104511312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20514410451631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66421331 + ... + 66729468.

It is an arithmetic number, because the mean of its divisors is an integer number (2624668569600).

Almost surely, 220514410451131 is an apocalyptic number.

20514410451131 is a deficient number, since it is larger than the sum of its proper divisors (482938105669).

20514410451131 is a wasteful number, since it uses less digits than its factorization.

20514410451131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133154425.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 20514410451131 its reverse (13115401441502), we get a palindrome (33629811892633).

The spelling of 20514410451131 in words is "twenty trillion, five hundred fourteen billion, four hundred ten million, four hundred fifty-one thousand, one hundred thirty-one".

Divisors: 1 43 3583 154069 133150799 5725484357 477079312817 20514410451131