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513523152142 = 271113256505071
BaseRepresentation
bin1110111100100000101…
…11010111010100001110
31211002111022102000112021
413132100113113110032
531403143411332032
61031524223200354
752046403526030
oct7362027272416
91732438360467
10513523152142
111888694828a0
1283635a460ba
133956aa1c950
141abd724dc50
15d557e73097
hex77905d750e

513523152142 has 32 divisors (see below), whose sum is σ = 1034228450304. Its totient is φ = 184683650400.

The previous prime is 513523152119. The next prime is 513523152143. The reversal of 513523152142 is 241251325315.

It is a junction number, because it is equal to n+sod(n) for n = 513523152098 and 513523152107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513523152143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128250534 + ... + 128254537.

It is an arithmetic number, because the mean of its divisors is an integer number (32319639072).

Almost surely, 2513523152142 is an apocalyptic number.

513523152142 is an abundant number, since it is smaller than the sum of its proper divisors (520705298162).

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

513523152142 is a wasteful number, since it uses less digits than its factorization.

513523152142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256505104.

The product of its digits is 36000, while the sum is 34.

Adding to 513523152142 its reverse (241251325315), we get a palindrome (754774477457).

The spelling of 513523152142 in words is "five hundred thirteen billion, five hundred twenty-three million, one hundred fifty-two thousand, one hundred forty-two".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 182 286 1001 2002 256505071 513010142 1795535497 2821555781 3334565923 3591070994 5643111562 6669131846 19750890467 23341961461 36680225153 39501780934 46683922922 73360450306 256761576071 513523152142