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530420887850721 = 3731814778629571
BaseRepresentation
bin111100010011010100011110…
…0100110100000111011100001
32120120001202000200000112101020
41320212220330212200323201
51024010403434242210341
65120035554132200053
7216503434033300110
oct17046507446407341
92516052020015336
10530420887850721
1114401026516966a
124b5a7156169029
13199c7623a4a64a
1494da717b67c77
15414c6e7c68566
hex1e26a3c9a0ee1

530420887850721 has 16 divisors (see below), whose sum is σ = 834333316681728. Its totient is φ = 293320306645200.

The previous prime is 530420887850713. The next prime is 530420887850761. The reversal of 530420887850721 is 127058788024035.

It is not a de Polignac number, because 530420887850721 - 23 = 530420887850713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (530420887850761) 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, 407389314135 + ... + 407389315436.

It is an arithmetic number, because the mean of its divisors is an integer number (52145832292608).

Almost surely, 2530420887850721 is an apocalyptic number.

It is an amenable number.

530420887850721 is a deficient number, since it is larger than the sum of its proper divisors (303912428831007).

530420887850721 is a wasteful number, since it uses less digits than its factorization.

530420887850721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814778629612.

The product of its (nonzero) digits is 30105600, while the sum is 60.

The spelling of 530420887850721 in words is "five hundred thirty trillion, four hundred twenty billion, eight hundred eighty-seven million, eight hundred fifty thousand, seven hundred twenty-one".

Divisors: 1 3 7 21 31 93 217 651 814778629571 2444335888713 5703450406997 17110351220991 25258137516701 75774412550103 176806962616907 530420887850721