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531023121042115 = 5138169586477571
BaseRepresentation
bin111100010111101100111010…
…0011111110100101011000011
32120122012022111100000110112211
41320233121310133310223003
51024100240322441321430
65121220353135402551
7216565103654044162
oct17057316437645303
92518168440013484
10531023121042115
111442227060a1989
124b683a08983457
1319a3c35b25ac80
14951b9288493d9
15415d1e3bac72a
hex1e2f6747f4ac3

531023121042115 has 8 divisors (see below), whose sum is σ = 686245264116048. Its totient is φ = 392140150923360.

The previous prime is 531023121042101. The next prime is 531023121042121. The reversal of 531023121042115 is 511240121320135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 531023121042115 - 29 = 531023121041603 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 4084793238721 + ... + 4084793238850.

It is an arithmetic number, because the mean of its divisors is an integer number (85780658014506).

Almost surely, 2531023121042115 is an apocalyptic number.

531023121042115 is a deficient number, since it is larger than the sum of its proper divisors (155222143073933).

531023121042115 is a wasteful number, since it uses less digits than its factorization.

531023121042115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8169586477589.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 531023121042115 in words is "five hundred thirty-one trillion, twenty-three billion, one hundred twenty-one million, forty-two thousand, one hundred fifteen".

Divisors: 1 5 13 65 8169586477571 40847932387855 106204624208423 531023121042115