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513315431500142 = 2256657715750071
BaseRepresentation
bin111010010110110111000111…
…1111100111100100101101110
32111022111110212000002122001102
41310231232033330330211232
51014240130000431001032
65015421504230043102
7213056546626310165
oct16455561774744556
92438443760078042
10513315431500142
11139615940a81267
12496a3b774a9492
131905658c21707b
1490a8856c4c3dc
153e527a4390362
hex1d2db8ff3c96e

513315431500142 has 4 divisors (see below), whose sum is σ = 769973147250216. Its totient is φ = 256657715750070.

The previous prime is 513315431500117. The next prime is 513315431500147. The reversal of 513315431500142 is 241005134513315.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 513315431500096 and 513315431500105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513315431500147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128328857875034 + ... + 128328857875037.

It is an arithmetic number, because the mean of its divisors is an integer number (192493286812554).

Almost surely, 2513315431500142 is an apocalyptic number.

513315431500142 is a deficient number, since it is larger than the sum of its proper divisors (256657715750074).

513315431500142 is a wasteful number, since it uses less digits than its factorization.

513315431500142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256657715750073.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 513315431500142 in words is "five hundred thirteen trillion, three hundred fifteen billion, four hundred thirty-one million, five hundred thousand, one hundred forty-two".

Divisors: 1 2 256657715750071 513315431500142