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530807802780 = 223559149945707
BaseRepresentation
bin1111011100101101001…
…11000100101110011100
31212202002220112020201010
413232112213010232130
532144043244142110
61043503313215220
753230624610343
oct7562647045634
91782086466633
10530807802780
11195129191732
1286a5a561510
133b093998488
141b996a68b5a
15dc1a626020
hex7b969c4b9c

530807802780 has 48 divisors (see below), whose sum is σ = 1511452736640. Its totient is φ = 139149615168.

The previous prime is 530807802761. The next prime is 530807802793. The reversal of 530807802780 is 87208708035.

It is a congruent number.

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, 74969314 + ... + 74976393.

It is an arithmetic number, because the mean of its divisors is an integer number (31488598680).

Almost surely, 2530807802780 is an apocalyptic number.

It is an amenable number.

530807802780 is an abundant number, since it is smaller than the sum of its proper divisors (980644933860).

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

530807802780 is a wasteful number, since it uses less digits than its factorization.

530807802780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149945778 (or 149945776 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 530807802780 in words is "five hundred thirty billion, eight hundred seven million, eight hundred two thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 149945707 299891414 449837121 599782828 749728535 899674242 1499457070 1799348484 2249185605 2998914140 4498371210 8846796713 8996742420 17693593426 26540390139 35387186852 44233983565 53080780278 88467967130 106161560556 132701950695 176935934260 265403901390 530807802780