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2055043643 = 7198093533
BaseRepresentation
bin111101001111101…
…0111101000111011
312022012221000220112
41322133113220323
513202042344033
6535530414535
7101632403612
oct17237275073
95265830815
102055043643
11965022784
1249429144b
132699aa373
14156d06879
15c0636c48
hex7a7d7a3b

2055043643 has 8 divisors (see below), whose sum is σ = 2061028800. Its totient is φ = 2049068608.

The previous prime is 2055043633. The next prime is 2055043663. The reversal of 2055043643 is 3463405502.

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

It is a cyclic number.

It is not a de Polignac number, because 2055043643 - 28 = 2055043387 is a prime.

It is a super-2 number, since 2×20550436432 = 8446408749269422898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055043633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579905 + ... + 583437.

It is an arithmetic number, because the mean of its divisors is an integer number (257628600).

Almost surely, 22055043643 is an apocalyptic number.

2055043643 is a deficient number, since it is larger than the sum of its proper divisors (5985157).

2055043643 is an equidigital number, since it uses as much as digits as its factorization.

2055043643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 2055043643 is about 45332.5891936474. The cubic root of 2055043643 is about 1271.3750463210.

The spelling of 2055043643 in words is "two billion, fifty-five million, forty-three thousand, six hundred forty-three".

Divisors: 1 719 809 3533 581671 2540227 2858197 2055043643