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19057014998 = 275261258737
BaseRepresentation
bin10001101111111000…
…101111100011010110
31211012010010200000022
4101233320233203112
5303012043434443
612431001545142
71243151645330
oct215770574326
954163120008
1019057014998
11809a20847a
12383a1a51b2
131a49210b48
14ccad7a450
1576809ce68
hex46fe2f8d6

19057014998 has 16 divisors (see below), whose sum is σ = 32675504544. Its totient is φ = 8165708160.

The previous prime is 19057014959. The next prime is 19057015001. The reversal of 19057014998 is 89941075091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55715 + ... + 203022.

It is an arithmetic number, because the mean of its divisors is an integer number (2042219034).

Almost surely, 219057014998 is an apocalyptic number.

19057014998 is a deficient number, since it is larger than the sum of its proper divisors (13618489546).

19057014998 is a wasteful number, since it uses less digits than its factorization.

19057014998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264007.

The product of its (nonzero) digits is 816480, while the sum is 53.

The spelling of 19057014998 in words is "nineteen billion, fifty-seven million, fourteen thousand, nine hundred ninety-eight".

Divisors: 1 2 7 14 5261 10522 36827 73654 258737 517474 1811159 3622318 1361215357 2722430714 9528507499 19057014998