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513131333034 = 23233718342993
BaseRepresentation
bin1110111011110010000…
…00101100010110101010
31211001111000010112202110
413131321000230112222
531401343110124114
61031421305143150
752033605236205
oct7357100542652
91731430115673
10513131333034
11188688295351
128354678aab6
13395077b3c18
141ab9b1b893c
15d533878759
hex777902c5aa

513131333034 has 16 divisors (see below), whose sum is σ = 1070882782272. Its totient is φ = 163607091648.

The previous prime is 513131333023. The next prime is 513131333041. The reversal of 513131333034 is 430333131315.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 513131332992 and 513131333010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859171359 + ... + 1859171634.

It is an arithmetic number, because the mean of its divisors is an integer number (66930173892).

Almost surely, 2513131333034 is an apocalyptic number.

513131333034 is an abundant number, since it is smaller than the sum of its proper divisors (557751449238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513131333034 is a wasteful number, since it uses less digits than its factorization.

513131333034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718343021.

The product of its (nonzero) digits is 14580, while the sum is 30.

Adding to 513131333034 its reverse (430333131315), we get a palindrome (943464464349).

The spelling of 513131333034 in words is "five hundred thirteen billion, one hundred thirty-one million, three hundred thirty-three thousand, thirty-four".

Divisors: 1 2 3 6 23 46 69 138 3718342993 7436685986 11155028979 22310057958 85521888839 171043777678 256565666517 513131333034