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420701519490 = 23572003340569
BaseRepresentation
bin1100001111100111100…
…00111011111010000010
31111012220102010112001220
412013303300323322002
523343044042110430
6521133445335510
742252242625150
oct6076360737202
91435812115056
10420701519490
1115246704939a
1269650107596
1330897467b65
141650d6da3d0
15ae24037110
hex61f3c3be82

420701519490 has 32 divisors (see below), whose sum is σ = 1153924168320. Its totient is φ = 96160347264.

The previous prime is 420701519443. The next prime is 420701519549. The reversal of 420701519490 is 94915107024.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1001670075 + ... + 1001670494.

It is an arithmetic number, because the mean of its divisors is an integer number (36060130260).

Almost surely, 2420701519490 is an apocalyptic number.

420701519490 is an abundant number, since it is smaller than the sum of its proper divisors (733222648830).

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

420701519490 is a wasteful number, since it uses less digits than its factorization.

420701519490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003340586.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 420701519490 in words is "four hundred twenty billion, seven hundred one million, five hundred nineteen thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 2003340569 4006681138 6010021707 10016702845 12020043414 14023383983 20033405690 28046767966 30050108535 42070151949 60100217070 70116919915 84140303898 140233839830 210350759745 420701519490