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1872048890443 = 5857319625899
BaseRepresentation
bin11011001111011110110…
…011110010001001001011
320121222002022021000122111
4123033132303302021023
5221132424003443233
63552001332403151
7252152055006154
oct33173663621113
96558068230574
101872048890443
11661a27881446
122629954764b7
131076c1cc4264
146687156892b
1533a69e87acd
hex1b3decf224b

1872048890443 has 4 divisors (see below), whose sum is σ = 1872368522200. Its totient is φ = 1871729258688.

The previous prime is 1872048890389. The next prime is 1872048890471. The reversal of 1872048890443 is 3440988402781.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1872048890443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1872048890843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159807093 + ... + 159818806.

It is an arithmetic number, because the mean of its divisors is an integer number (468092130550).

Almost surely, 21872048890443 is an apocalyptic number.

1872048890443 is a deficient number, since it is larger than the sum of its proper divisors (319631757).

1872048890443 is an equidigital number, since it uses as much as digits as its factorization.

1872048890443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319631756.

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 1872048890443 in words is "one trillion, eight hundred seventy-two billion, forty-eight million, eight hundred ninety thousand, four hundred forty-three".

Divisors: 1 5857 319625899 1872048890443