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513130216451 = 15672521129893
BaseRepresentation
bin1110111011110001111…
…00011011110000000011
31211001110221000211002112
413131320330123300003
531401342313411301
61031421225205535
752033562605646
oct7357074336003
91731427024075
10513130216451
111886876a2456
12835463308ab
13395074b2918
141ab9ada7a5d
15d5337079bb
hex7778f1bc03

513130216451 has 8 divisors (see below), whose sum is σ = 513665303424. Its totient is φ = 512595397440.

The previous prime is 513130216447. The next prime is 513130216463. The reversal of 513130216451 is 154612031315.

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

It is a cyclic number.

It is not a de Polignac number, because 513130216451 - 22 = 513130216447 is a prime.

It is a super-2 number, since 2×5131302164512 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513130216411) 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, 3885461 + ... + 4015353.

It is an arithmetic number, because the mean of its divisors is an integer number (64208162928).

Almost surely, 2513130216451 is an apocalyptic number.

513130216451 is a deficient number, since it is larger than the sum of its proper divisors (535086973).

513130216451 is a wasteful number, since it uses less digits than its factorization.

513130216451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133981.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 513130216451 its reverse (154612031315), we get a palindrome (667742247766).

The spelling of 513130216451 in words is "five hundred thirteen billion, one hundred thirty million, two hundred sixteen thousand, four hundred fifty-one".

Divisors: 1 1567 2521 129893 3950407 203542331 327460253 513130216451