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530531110212420 = 223519465378166853
BaseRepresentation
bin111100010100000111110011…
…0010111011101001101000100
32120120110021112020211122122210
41320220033212113131031010
51024014210203203244140
65120202343304023420
7216514415325021312
oct17050174627351504
92516407466748583
10530531110212420
11144052a86885379
124b604597461b70
1319a04b3b330c05
149501bb26b10b2
1541504e9635d80
hex1e283e65dd344

530531110212420 has 48 divisors (see below), whose sum is σ = 1563670640629440. Its totient is φ = 134028912053376.

The previous prime is 530531110212419. The next prime is 530531110212511. The reversal of 530531110212420 is 24212011135035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232689082287 + ... + 232689084566.

It is an arithmetic number, because the mean of its divisors is an integer number (32576471679780).

Almost surely, 2530531110212420 is an apocalyptic number.

It is an amenable number.

530531110212420 is an abundant number, since it is smaller than the sum of its proper divisors (1033139530417020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530531110212420 is a wasteful number, since it uses less digits than its factorization.

530531110212420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465378166884 (or 465378166882 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 530531110212420 its reverse (24212011135035), we get a palindrome (554743121347455).

The spelling of 530531110212420 in words is "five hundred thirty trillion, five hundred thirty-one billion, one hundred ten million, two hundred twelve thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 465378166853 930756333706 1396134500559 1861512667412 2326890834265 2792269001118 4653781668530 5584538002236 6980672502795 8842185170207 9307563337060 13961345005590 17684370340414 26526555510621 27922690011180 35368740680828 44210925851035 53053111021242 88421851702070 106106222042484 132632777553105 176843703404140 265265555106210 530531110212420