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1420075008 = 213321117103
BaseRepresentation
bin101010010100100…
…1010000000000000
310122222010021200200
41110221022000000
510402014400013
6352525045200
750122303242
oct12451120000
93588107620
101420075008
11669660410
123376b6800
1319828a091
14d685a092
1584a0ce73
hex54a4a000

1420075008 has 336 divisors, whose sum is σ = 4784360256. Its totient is φ = 401080320.

The previous prime is 1420074989. The next prime is 1420075021. The reversal of 1420075008 is 8005700241.

It is a super-2 number, since 2×14200750082 = 4033226056692400128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13787085 + ... + 13787187.

Almost surely, 21420075008 is an apocalyptic number.

1420075008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420075008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2392180128).

1420075008 is an abundant number, since it is smaller than the sum of its proper divisors (3364285248).

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

1420075008 is a wasteful number, since it uses less digits than its factorization.

1420075008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1420075008 is about 37683.8826025132. The cubic root of 1420075008 is about 1124.0106549481.

Adding to 1420075008 its reverse (8005700241), we get a palindrome (9425775249).

The spelling of 1420075008 in words is "one billion, four hundred twenty million, seventy-five thousand, eight".