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422520304215220 = 225131032689159957
BaseRepresentation
bin110000000010001111010110…
…0101001001010010010110100
32001102000112202110202012002021
41200010132230221022102310
5420340033040334341340
64054343051555122524
7154666041010222501
oct14004365451122264
92042015673665067
10422520304215220
1111269a944714372
123b47b322ba3444
131519b655933b43
14764a1400104a8
1533caac93d3e4a
hex18047aca4a4b4

422520304215220 has 48 divisors (see below), whose sum is σ = 887408154517248. Its totient is φ = 168986120301440.

The previous prime is 422520304215169. The next prime is 422520304215293. The reversal of 422520304215220 is 22512403025224.

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, 7047025482 + ... + 7047085438.

It is an arithmetic number, because the mean of its divisors is an integer number (18487669885776).

Almost surely, 2422520304215220 is an apocalyptic number.

It is an amenable number.

422520304215220 is an abundant number, since it is smaller than the sum of its proper divisors (464887850302028).

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

422520304215220 is a wasteful number, since it uses less digits than its factorization.

422520304215220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99960 (or 99958 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 422520304215220 in words is "four hundred twenty-two trillion, five hundred twenty billion, three hundred four million, two hundred fifteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 13103 26206 26891 52412 53782 59957 65515 107564 119914 131030 134455 239828 262060 268910 299785 537820 599570 1199140 352352773 704705546 785616571 1409411092 1571233142 1612303687 1761763865 3142466284 3224607374 3523527730 3928082855 6449214748 7047055460 7856165710 8061518435 15712331420 16123036870 32246073740 21126015210761 42252030421522 84504060843044 105630076053805 211260152107610 422520304215220