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2018920004 = 224311737907
BaseRepresentation
bin111100001010110…
…0100011001000100
312012200221202120222
41320111210121010
513113320420004
6532200243512
7101013352103
oct17025443104
95180852528
102018920004
1194669a532
12484170598
1326237002a
141521c203a
15bc39d7be
hex78564644

2018920004 has 12 divisors (see below), whose sum is σ = 3615275664. Its totient is φ = 985984104.

The previous prime is 2018919953. The next prime is 2018920009. The reversal of 2018920004 is 4000298102.

It is not an unprimeable number, because it can be changed into a prime (2018920009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5868782 + ... + 5869125.

It is an arithmetic number, because the mean of its divisors is an integer number (301272972).

Almost surely, 22018920004 is an apocalyptic number.

It is an amenable number.

2018920004 is a deficient number, since it is larger than the sum of its proper divisors (1596355660).

2018920004 is a wasteful number, since it uses less digits than its factorization.

2018920004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11737954 (or 11737952 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2018920004 is about 44932.3937043198. The cubic root of 2018920004 is about 1263.8815391640.

The spelling of 2018920004 in words is "two billion, eighteen million, nine hundred twenty thousand, four".

Divisors: 1 2 4 43 86 172 11737907 23475814 46951628 504730001 1009460002 2018920004