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42004220320 = 255811323707
BaseRepresentation
bin100111000111101001…
…011000100110100000
311000102100100110220201
4213013221120212200
51142011040022240
631144012114544
73014621660506
oct470751304640
9130370313821
1042004220320
11168a5318477
128183165a54
133c6537684a
142066844676
15115c92ed9a
hex9c7a589a0

42004220320 has 48 divisors (see below), whose sum is σ = 99357638688. Its totient is φ = 16780919040.

The previous prime is 42004220311. The next prime is 42004220351. The reversal of 42004220320 is 2302240024.

It is a super-2 number, since 2×420042203202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32094 + ... + 291613.

It is an arithmetic number, because the mean of its divisors is an integer number (2069950806).

Almost surely, 242004220320 is an apocalyptic number.

42004220320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42004220320 is an abundant number, since it is smaller than the sum of its proper divisors (57353418368).

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

42004220320 is a wasteful number, since it uses less digits than its factorization.

42004220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324533 (or 324525 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 42004220320 its reverse (2302240024), we get a palindrome (44306460344).

The spelling of 42004220320 in words is "forty-two billion, four million, two hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 811 1622 3244 4055 6488 8110 12976 16220 25952 32440 64880 129760 323707 647414 1294828 1618535 2589656 3237070 5179312 6474140 10358624 12948280 25896560 51793120 262526377 525052754 1050105508 1312631885 2100211016 2625263770 4200422032 5250527540 8400844064 10501055080 21002110160 42004220320