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513054500053 = 311031361118061
BaseRepresentation
bin1110111011101000110…
…11100110010011010101
31211001021122120000201111
413131310123212103111
531401213423000203
61031405522255021
752031653203304
oct7356433462325
91731248500644
10513054500053
11188648987617
1283524ab7471
13394c48c2214
141ab90cd843b
15d52bc4d26d
hex77746e64d5

513054500053 has 16 divisors (see below), whose sum is σ = 535143877632. Its totient is φ = 491318496000.

The previous prime is 513054500029. The next prime is 513054500059. The reversal of 513054500053 is 350005450315.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-513054500053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513054499988 and 513054500024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513054500059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4286643 + ... + 4404703.

It is an arithmetic number, because the mean of its divisors is an integer number (33446492352).

Almost surely, 2513054500053 is an apocalyptic number.

It is an amenable number.

513054500053 is a deficient number, since it is larger than the sum of its proper divisors (22089377579).

513054500053 is a wasteful number, since it uses less digits than its factorization.

513054500053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119556.

The product of its (nonzero) digits is 22500, while the sum is 31.

Adding to 513054500053 its reverse (350005450315), we get a palindrome (863059950368).

The spelling of 513054500053 in words is "five hundred thirteen billion, fifty-four million, five hundred thousand, fifty-three".

Divisors: 1 31 103 1361 3193 42191 118061 140183 3659891 4345673 12160283 160681021 376968773 4981111651 16550145163 513054500053