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531023120353130 = 25101352420841101
BaseRepresentation
bin111100010111101100111010…
…0011101001100011101101010
32120122012022111021201110102212
41320233121310131030131222
51024100240322302300010
65121220353112525122
7216565103645144366
oct17057316435143552
92518168437643385
10531023120353130
11144222705771279
124b683a086b07a2
1319a3c35b0794a2
14951b92870a2a6
15415d1e3ac3505
hex1e2f67474c76a

531023120353130 has 16 divisors (see below), whose sum is σ = 956785191793704. Its totient is φ = 212199564772800.

The previous prime is 531023120353129. The next prime is 531023120353199. The reversal of 531023120353130 is 31353021320135.

It can be written as a sum of positive squares in 4 ways, for example, as 174931916749489 + 356091203603641 = 13226183^2 + 18870379^2 .

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, 26210410421 + ... + 26210430680.

Almost surely, 2531023120353130 is an apocalyptic number.

531023120353130 is a deficient number, since it is larger than the sum of its proper divisors (425762071440574).

531023120353130 is a wasteful number, since it uses less digits than its factorization.

531023120353130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52420842121.

The product of its (nonzero) digits is 24300, while the sum is 32.

Adding to 531023120353130 its reverse (31353021320135), we get a palindrome (562376141673265).

The spelling of 531023120353130 in words is "five hundred thirty-one trillion, twenty-three billion, one hundred twenty million, three hundred fifty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 1013 2026 5065 10130 52420841101 104841682202 262104205505 524208411010 53102312035313 106204624070626 265511560176565 531023120353130