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2140055810 = 25214005581
BaseRepresentation
bin111111110001110…
…1010100100000010
312112010220002200022
41333203222210002
513340323241220
6552204453442
7104014113524
oct17743524402
95463802608
102140055810
119a9007672
124b884a282
132814a3c19
14164315a14
15c7d2a925
hex7f8ea902

2140055810 has 8 divisors (see below), whose sum is σ = 3852100476. Its totient is φ = 856022320.

The previous prime is 2140055789. The next prime is 2140055831. The reversal of 2140055810 is 185500412.

It is an interprime number because it is at equal distance from previous prime (2140055789) and next prime (2140055831).

It can be written as a sum of positive squares in 2 ways, for example, as 2082735769 + 57320041 = 45637^2 + 7571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×21400558103 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2140055810.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107002781 + ... + 107002800.

Almost surely, 22140055810 is an apocalyptic number.

2140055810 is a deficient number, since it is larger than the sum of its proper divisors (1712044666).

2140055810 is a wasteful number, since it uses less digits than its factorization.

2140055810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214005588.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 2140055810 is about 46260.7372401262. The cubic root of 2140055810 is about 1288.6699449438.

The spelling of 2140055810 in words is "two billion, one hundred forty million, fifty-five thousand, eight hundred ten".

Divisors: 1 2 5 10 214005581 428011162 1070027905 2140055810