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512315323021430 = 25131422992475857
BaseRepresentation
bin111010001111100101011010…
…0110101110111100001110110
32111011221212101201112220202022
41310133022310311313201312
51014122233240143141210
65013334224342313142
7212624363203433525
oct16437126465674166
92434855351486668
10512315323021430
1113926a7878a3745
12495621851287b2
1318cb3187629756
1490722a02484bc
153e3676d34c155
hex1d1f2b4d77876

512315323021430 has 32 divisors (see below), whose sum is σ = 929426761311840. Its totient is φ = 203313717967360.

The previous prime is 512315323021421. The next prime is 512315323021477. The reversal of 512315323021430 is 34120323513215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40697939 + ... + 51777918.

It is an arithmetic number, because the mean of its divisors is an integer number (29044586290995).

Almost surely, 2512315323021430 is an apocalyptic number.

512315323021430 is a deficient number, since it is larger than the sum of its proper divisors (417111438290410).

512315323021430 is a wasteful number, since it uses less digits than its factorization.

512315323021430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92480224.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 512315323021430 its reverse (34120323513215), we get a palindrome (546435646534645).

The spelling of 512315323021430 in words is "five hundred twelve trillion, three hundred fifteen billion, three hundred twenty-three million, twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 131 262 655 1310 4229 8458 21145 42290 553999 1107998 2769995 5539990 92475857 184951714 462379285 924758570 12114337267 24228674534 60571686335 121143372670 391080399253 782160798506 1955401996265 3910803992530 51231532302143 102463064604286 256157661510715 512315323021430